Atomic radii of the elements (data page)

Atomic radii

Note: All measurements given are in picometers (pm). For more recent data on covalent radii see Covalent radius

Covalent radius

The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in picometres or angstroms , with 1 Å = 100 pm....

number	symbol	name	empirical †	Calculated	van der Waals Van der Waals radius The van der Waals radius, r, of an atom is the radius of an imaginary hard sphere which can be used to model the atom for many purposes. It is named after Johannes Diderik van der Waals, winner of the 1910 Nobel Prize in Physics, as he was the first to recognise that atoms had a finite size and to...	Covalent Covalent radius The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in picometres or angstroms , with 1 Å = 100 pm.... (single bond)	Covalent (triple bond)	Metallic
1	H	hydrogen Hydrogen Hydrogen is the chemical element with atomic number 1. It is represented by the symbol H. With an average atomic weight of , hydrogen is the lightest and most abundant chemical element, constituting roughly 75% of the Universe's chemical elemental mass. Stars in the main sequence are mainly...	25 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	53 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	120 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	38 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
2	He	helium Helium Helium is the chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table...	no data	31 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	140 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	32 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
3	Li	lithium Lithium Lithium is a soft, silver-white metal that belongs to the alkali metal group of chemical elements. It is represented by the symbol Li, and it has the atomic number 3. Under standard conditions it is the lightest metal and the least dense solid element. Like all alkali metals, lithium is highly...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	167 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	182 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	134 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	152 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
4	Be	beryllium Beryllium Beryllium is the chemical element with the symbol Be and atomic number 4. It is a divalent element which occurs naturally only in combination with other elements in minerals. Notable gemstones which contain beryllium include beryl and chrysoberyl...	105 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	112 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	153 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	90 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	85 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	112 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
5	B	boron Boron Boron is the chemical element with atomic number 5 and the chemical symbol B. Boron is a metalloid. Because boron is not produced by stellar nucleosynthesis, it is a low-abundance element in both the solar system and the Earth's crust. However, boron is concentrated on Earth by the...	85 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	87 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	192 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	82 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	73 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
6	C	carbon Carbon Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds...	70 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	67 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	170 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	77 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	60 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
7	N	nitrogen Nitrogen Nitrogen is a chemical element that has the symbol N, atomic number of 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.08% by volume of Earth's atmosphere...	65 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	56 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	75 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	54 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
8	O	oxygen Oxygen Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...	60 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	48 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	152 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	73 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	53 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
9	F	fluorine Fluorine Fluorine is the chemical element with atomic number 9, represented by the symbol F. It is the lightest element of the halogen column of the periodic table and has a single stable isotope, fluorine-19. At standard pressure and temperature, fluorine is a pale yellow gas composed of diatomic...	50 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	42 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	147 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	71 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	53 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
10	Ne	neon Neon Neon is the chemical element that has the symbol Ne and an atomic number of 10. Although a very common element in the universe, it is rare on Earth. A colorless, inert noble gas under standard conditions, neon gives a distinct reddish-orange glow when used in either low-voltage neon glow lamps or...	no data	38 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	154 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	69 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
11	Na	sodium Sodium Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. It is an abundant element that exists in numerous minerals, most commonly as sodium chloride...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	190 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	227 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	154 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	186 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
12	Mg	magnesium Magnesium Magnesium is a chemical element with the symbol Mg, atomic number 12, and common oxidation number +2. It is an alkaline earth metal and the eighth most abundant element in the Earth's crust and ninth in the known universe as a whole...	150 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	173 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	130 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	127 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
13	Al	aluminium Aluminium Aluminium or aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances....	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	118 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	184 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	118 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	111 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	143 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
14	Si	silicon Silicon Silicon is a chemical element with the symbol Si and atomic number 14. A tetravalent metalloid, it is less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table...	110 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	111 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	210 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	111 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	102 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
15	P	phosphorus Phosphorus Phosphorus is the chemical element that has the symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus as a mineral is almost always present in its maximally oxidized state, as inorganic phosphate rocks...	100 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	98 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	106 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	94 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
16	S	sulfur Sulfur Sulfur or sulphur is the chemical element with atomic number 16. In the periodic table it is represented by the symbol S. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. Elemental sulfur is a bright yellow...	100 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	88 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	102 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	95 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
17	Cl	chlorine Chlorine Chlorine is the chemical element with atomic number 17 and symbol Cl. It is the second lightest halogen, found in the periodic table in group 17. The element forms diatomic molecules under standard conditions, called dichlorine...	100 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	79 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	99 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	93 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
18	Ar	argon Argon Argon is a chemical element represented by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table . Argon is the third most common gas in the Earth's atmosphere, at 0.93%, making it more common than carbon dioxide...	71 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	71 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	188 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	97 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	96 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
19	K	potassium Potassium Potassium is the chemical element with the symbol K and atomic number 19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction.Potassium and sodium are...	220 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	243 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	275 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	196 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	227 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
20	Ca	calcium Calcium Calcium is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft gray alkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	194 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	231 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	174 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	133 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	197 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
21	Sc	scandium Scandium Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic transition metal, it has historically been sometimes classified as a rare earth element, together with yttrium and the lanthanoids...	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	184 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	211 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	144 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	114 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	162 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
22	Ti	titanium Titanium Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	176 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	136 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	108 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	147 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
23	V	vanadium Vanadium Vanadium is a chemical element with the symbol V and atomic number 23. It is a hard, silvery gray, ductile and malleable transition metal. The formation of an oxide layer stabilizes the metal against oxidation. The element is found only in chemically combined form in nature...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	171 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	106 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	134 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
24	Cr	chromium Chromium Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable...	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	166 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	127 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	103 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	128 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
25	Mn	manganese Manganese Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a free element in nature , and in many minerals...	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	161 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	139 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	103 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	127 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
26	Fe	iron Iron Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. It is the most common element forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust...	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	156 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	102 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	126 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
27	Co	cobalt Cobalt Cobalt is a chemical element with symbol Co and atomic number 27. It is found naturally only in chemically combined form. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal....	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	152 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	126 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	96 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
28	Ni	nickel Nickel Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	149 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	163 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	121 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	101 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	124 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
29	Cu	copper Copper Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	138 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	120 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	128 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
30	Zn	zinc Zinc Zinc , or spelter , is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	142 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	139 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	131 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	134 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
31	Ga	gallium Gallium Gallium is a chemical element that has the symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium salt in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures. As it liquefies...	130 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	136 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	187 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	126 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	121 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
32	Ge	germanium Germanium Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. The isolated element is a semiconductor, with an appearance most similar to elemental silicon....	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	125 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	211 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	122 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	114 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
33	As	arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid...	115 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	114 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	119 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	106 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
34	Se	selenium Selenium Selenium is a chemical element with atomic number 34, chemical symbol Se, and an atomic mass of 78.96. It is a nonmetal, whose properties are intermediate between those of adjacent chalcogen elements sulfur and tellurium...	115 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	103 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	190 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	116 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	107 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
35	Br	bromine Bromine Bromine ") is a chemical element with the symbol Br, an atomic number of 35, and an atomic mass of 79.904. It is in the halogen element group. The element was isolated independently by two chemists, Carl Jacob Löwig and Antoine Jerome Balard, in 1825–1826...	115 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	94 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	114 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	110 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
36	Kr	krypton Krypton Krypton is a chemical element with the symbol Kr and atomic number 36. It is a member of Group 18 and Period 4 elements. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionally distilling liquified air, and is often used with other...	no data	88 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	202 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	110 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	108 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
37	Rb	rubidium Rubidium Rubidium is a chemical element with the symbol Rb and atomic number 37. Rubidium is a soft, silvery-white metallic element of the alkali metal group. Its atomic mass is 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other elements in group 1, such as very rapid...	235 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	265 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	303 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	211 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	248 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
38	Sr	strontium Strontium Strontium is a chemical element with the symbol Sr and the atomic number 38. An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when exposed to air. It occurs naturally in the minerals celestine and...	200 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	219 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	249 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	192 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	139 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	215 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
39	Y	yttrium Yttrium Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	212 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	162 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	124 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
40	Zr	zirconium Zirconium Zirconium is a chemical element with the symbol Zr and atomic number 40. The name of zirconium is taken from the mineral zircon. Its atomic mass is 91.224. It is a lustrous, grey-white, strong transition metal that resembles titanium...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	206 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	148 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	121 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
41	Nb	niobium Niobium Niobium or columbium , is a chemical element with the symbol Nb and atomic number 41. It's a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral, the main commercial source for niobium, and columbite...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	198 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	137 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	116 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	146 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
42	Mo	molybdenum Molybdenum Molybdenum , is a Group 6 chemical element with the symbol Mo and atomic number 42. The name is from Neo-Latin Molybdaenum, from Ancient Greek , meaning lead, itself proposed as a loanword from Anatolian Luvian and Lydian languages, since its ores were confused with lead ores...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	190 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	113 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	139 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
43	Tc	technetium Technetium Technetium is the chemical element with atomic number 43 and symbol Tc. It is the lowest atomic number element without any stable isotopes; every form of it is radioactive. Nearly all technetium is produced synthetically and only minute amounts are found in nature...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	183 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	156 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	110 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	136 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
44	Ru	ruthenium Ruthenium Ruthenium is a chemical element with symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Like the other metals of the platinum group, ruthenium is inert to most chemicals. The Russian scientist Karl Ernst Claus discovered the element...	130 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	178 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	126 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	103 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	134 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
45	Rh	rhodium Rhodium Rhodium is a chemical element that is a rare, silvery-white, hard and chemically inert transition metal and a member of the platinum group. It has the chemical symbol Rh and atomic number 45. It is composed of only one isotope, 103Rh. Naturally occurring rhodium is found as the free metal, alloyed...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	173 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	106 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	134 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
46	Pd	palladium Palladium Palladium is a chemical element with the chemical symbol Pd and an atomic number of 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after the asteroid Pallas, which was itself named after the epithet of the Greek goddess Athena, acquired...	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	169 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	163 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	131 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	112 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	137 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
47	Ag	silver Silver Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	165 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	172 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	153 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	137 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	144 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
48	Cd	cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	161 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	158 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	148 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	151 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
49	In	indium Indium Indium is a chemical element with the symbol In and atomic number 49. This rare, very soft, malleable and easily fusible post-transition metal is chemically similar to gallium and thallium, and shows the intermediate properties between these two...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	156 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	193 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	144 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	146 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	167 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
50	Sn	tin Tin Tin is a chemical element with the symbol Sn and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows chemical similarity to both neighboring group 14 elements, germanium and lead and has two possible oxidation states, +2 and the slightly more stable +4...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	217 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	141 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	132 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
51	Sb	antimony Antimony Antimony is a toxic chemical element with the symbol Sb and an atomic number of 51. A lustrous grey metalloid, it is found in nature mainly as the sulfide mineral stibnite...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	133 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	206 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	138 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	127 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
52	Te	tellurium	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	123 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	206 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	121 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
53	I	iodine Iodine Iodine is a chemical element with the symbol I and atomic number 53. The name is pronounced , , or . The name is from the , meaning violet or purple, due to the color of elemental iodine vapor....	140 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	115 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	198 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	133 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	125 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
54	Xe	xenon Xenon Xenon is a chemical element with the symbol Xe and atomic number 54. The element name is pronounced or . A colorless, heavy, odorless noble gas, xenon occurs in the Earth's atmosphere in trace amounts...	no data	108 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	216 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	130 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	122 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
55	Cs	caesium Caesium Caesium or cesium is the chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28 °C , which makes it one of only five elemental metals that are liquid at room temperature...	260 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	298 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	343 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	225 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	265 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
56	Ba	barium Barium Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Barium is never found in nature in its pure form due to its reactivity with air. Its oxide is historically known as baryta but it reacts with...	215 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	253 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	268 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	198 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	149 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	222 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
57	La	lanthanum Lanthanum Lanthanum is a chemical element with the symbol La and atomic number 57.Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is the first element of the lanthanide series. It is found in some rare-earth minerals, usually in combination with cerium and...	195 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	169 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	139 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	187 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
58	Ce	cerium Cerium Cerium is a chemical element with the symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet . Cerium is the most abundant of the rare earth elements, making up about 0.0046% of the Earth's crust by weight...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	131 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	181.8 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
59	Pr	praseodymium Praseodymium Praseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is too reactive to be found in native form, and when artificially prepared, it slowly develops a green oxide coating.The element...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	247 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	128 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	182.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
60	Nd	neodymium Neodymium Neodymium is a chemical element with the symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach. It is present in significant quantities in the ore minerals monazite and bastnäsite...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	206 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	181.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
61	Pm	promethium Promethium Promethium is a chemical element with the symbol Pm and atomic number 61. It is notable for being the only exclusively radioactive element besides technetium that is followed by chemical elements with stable isotopes.- Prediction :...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	205 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	183.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
62	Sm	samarium Samarium Samarium is a chemical element with the symbol Sm, atomic number 62 and atomic weight 150.36. It is a moderately hard silvery metal which readily oxidizes in air. Being a typical member of the lanthanide series, samarium usually assumes the oxidation state +3...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	238 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	180.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
63	Eu	europium Europium Europium is a chemical element with the symbol Eu and atomic number 63. It is named after the continent of Europe. It is a moderately hard silvery metal which readily oxidizes in air and water...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	231 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	180.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
64	Gd	gadolinium Gadolinium Gadolinium is a chemical element with the symbol Gd and atomic number 64. It is a silvery-white, malleable and ductile rare-earth metal. It is found in nature only in combined form. Gadolinium was first detected spectroscopically in 1880 by de Marignac who separated its oxide and is credited with...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	233 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	132 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	180.4 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
65	Tb	terbium Terbium Terbium is a chemical element with the symbol Tb and atomic number 65. It is a silvery-white rare earth metal that is malleable, ductile and soft enough to be cut with a knife...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	225 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	177.3 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
66	Dy	dysprosium Dysprosium Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	228 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	178.1 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
67	Ho	holmium Holmium Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a rare earth element. Its oxide was first isolated from rare earth ores in 1878 and the element was named after the city of Stockholm....	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	no data	176.2 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
68	Er	erbium Erbium Erbium is a chemical element in the lanthanide series, with the symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements on Earth...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	226 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	176.1 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
69	Tm	thulium Thulium Thulium is a chemical element that has the symbol Tm and atomic number 69. Thulium is the second least abundant of the lanthanides . It is an easily workable metal with a bright silvery-gray luster...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	222 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	175.9 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
70	Yb	ytterbium Ytterbium Ytterbium is a chemical element with the symbol Yb and atomic number 70. A soft silvery metallic element, ytterbium is a rare earth element of the lanthanide series and is found in the minerals gadolinite, monazite, and xenotime. The element is sometimes associated with yttrium or other related...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	222 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	176 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
71	Lu	lutetium	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	217 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	131 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	173.8 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^c
72	Hf	hafnium Hafnium Hafnium is a chemical element with the symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. Its existence was predicted by Dmitri Mendeleev in 1869. Hafnium was the penultimate stable...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	208 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	150 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	122 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	159 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
73	Ta	tantalum Tantalum Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, the name comes from Tantalus, a character in Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion resistant. It is part of the refractory...	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	200 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	138 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	119 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	146 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
74	W	tungsten Tungsten Tungsten , also known as wolfram , is a chemical element with the chemical symbol W and atomic number 74.A hard, rare metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds. It was identified as a new element in 1781, and first isolated as...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	193 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	146 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	115 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	139 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
75	Re	rhenium Rhenium Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an average concentration of 1 part per billion , rhenium is one of the rarest elements in the Earth's crust. The free element has...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	188 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	159 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	110 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	137 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
76	Os	osmium Osmium Osmium is a chemical element with the symbol Os and atomic number 76. Osmium is a hard, brittle, blue-gray or blue-blacktransition metal in the platinum family, and is the densest natural element. Osmium is twice as dense as lead. The density of osmium is , slightly greater than that of iridium,...	130 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	185 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	128 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	109 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
77	Ir	iridium Iridium Iridium is the chemical element with atomic number 77, and is represented by the symbol Ir. A very hard, brittle, silvery-white transition metal of the platinum family, iridium is the second-densest element and is the most corrosion-resistant metal, even at temperatures as high as 2000 °C...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	137 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	107 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	135.5 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
78	Pt	platinum Platinum Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78. Its name is derived from the Spanish term platina del Pinto, which is literally translated into "little silver of the Pinto River." It is a dense, malleable, ductile, precious, gray-white transition metal...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	177 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	128 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	110 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	138.5 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
79	Au	gold Gold Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	174 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	166 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	144 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	123 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	144 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
80	Hg	mercury Mercury (element) Mercury is a chemical element with the symbol Hg and atomic number 80. It is also known as quicksilver or hydrargyrum...	150 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	171 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	149 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	151 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
81	Tl	thallium Thallium Thallium is a chemical element with the symbol Tl and atomic number 81. This soft gray poor metal resembles tin but discolors when exposed to air. The two chemists William Crookes and Claude-Auguste Lamy discovered thallium independently in 1861 by the newly developed method of flame spectroscopy...	190 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	156 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	196 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	148 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	150 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	170 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...
82	Pb	lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	154 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	202 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	147 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	137 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
83	Bi	bismuth Bismuth Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a trivalent poor metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally uncombined, although its sulfide and oxide form important commercial ores. The free element is 86% as dense as lead...	160 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	143 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	207 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	146 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	135 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
84	Po	polonium Polonium Polonium is a chemical element with the symbol Po and atomic number 84, discovered in 1898 by Marie Skłodowska-Curie and Pierre Curie. A rare and highly radioactive element, polonium is chemically similar to bismuth and tellurium, and it occurs in uranium ores. Polonium has been studied for...	190 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	135 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	197 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	no data	129 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
85	At	astatine Astatine Astatine is a radioactive chemical element with the symbol At and atomic number 85. It occurs on the Earth only as the result of decay of heavier elements, and decays away rapidly, so much less is known about this element than its upper neighbors in the periodic table...	no data	no data	202 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	no data	138 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
86	Rn	radon Radon Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the decay product of uranium or thorium. Its most stable isotope, 222Rn, has a half-life of 3.8 days...	no data	120 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	220 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	145 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	133 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
87	Fr	francium Francium Francium is a chemical element with symbol Fr and atomic number 87. It was formerly known as eka-caesium and actinium K.Actually the least unstable isotope, francium-223 It has the lowest electronegativity of all known elements, and is the second rarest naturally occurring element...	no data	no data	348 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	no data	no data	no data
88	Ra	radium Radium Radium is a chemical element with atomic number 88, represented by the symbol Ra. Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226,...	215 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	283 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^a	no data	159 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
89	Ac	actinium Actinium Actinium is a radioactive chemical element with the symbol Ac and atomic number 89, which was discovered in 1899. It was the first non-primordial radioactive element to be isolated. Polonium, radium and radon were observed before actinium, but they were not isolated until 1902...	195 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	140 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...
90	Th	thorium Thorium Thorium is a natural radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 and named after Thor, the Norse god of thunder....	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	136 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	179 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
91	Pa	protactinium Protactinium Protactinium is a chemical element with the symbol Pa and atomic number 91. It is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. It forms various chemical compounds where protactinium is usually present in the oxidation state +5, but can also assume...	180 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	129 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	163 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^d
92	U	uranium Uranium Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	186 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	118 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	156 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^e
93	Np	neptunium Neptunium Neptunium is a chemical element with the symbol Np and atomic number 93. A radioactive metal, neptunium is the first transuranic element and belongs to the actinide series. Its most stable isotope, 237Np, is a by-product of nuclear reactors and plutonium production and it can be used as a...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	116 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	155 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^e
94	Pu	plutonium Plutonium Plutonium is a transuranic radioactive chemical element with the chemical symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, forming a dull coating when oxidized. The element normally exhibits six allotropes and four oxidation...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	no data	159 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^e
95	Am	americium Americium Americium is a synthetic element that has the symbol Am and atomic number 95. This transuranic element of the actinide series is located in the periodic table below the lanthanide element europium, and thus by analogy was named after another continent, America.Americium was first produced in 1944...	175 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom...	no data	no data	no data	no data	173 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
96	Cm	curium Curium Curium is a synthetic chemical element with the symbol Cm and atomic number 96. This radioactive transuranic element of the actinide series was named after Marie Skłodowska-Curie and her husband Pierre Curie. Curium was first intentionally produced and identified in summer 1944 by the group of...	no data	no data	no data	no data	no data	174 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
97	Bk	berkelium Berkelium Berkelium , is a synthetic element with the symbol Bk and atomic number 97, a member of the actinide and transuranium element series. It is named after the city of Berkeley, California, the location of the University of California Radiation Laboratory where it was discovered in December 1949...	no data	no data	no data	no data	no data	170 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... ^b
98	Cf	californium Californium Californium is a radioactive metallic chemical element with the symbol Cf and atomic number 98. The element was first made in the laboratory in 1950 by bombarding curium with alpha particles at the University of California, Berkeley. It is the ninth member of the actinide series and was the...	no data	no data	no data	no data	no data	186 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... +/- 2 ^b
99	Es	einsteinium Einsteinium Einsteinium is a synthetic element with the symbol Es and atomic number 99. It is the seventh transuranic element, and an actinide.Einsteinium was discovered in the debris of the first hydrogen bomb explosion in 1952, and named after Albert Einstein...	no data	no data	no data	no data	no data	186 1 E-10 m To help compare different orders of magnitude this page lists lengths between 10−10 m and 10−9 m .Distances shorter than 100 pm100 pm — 1 angstrom100 pm — covalent radius of sulfur atom... +/- 2 ^b
100	Fm	fermium Fermium Fermium is a synthetic element with the symbol Fm. It is the 100th element in the periodic table and a member of the actinide series. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities,...	no data	no data	no data	no data	no data	no data
101	Md	mendelevium Mendelevium Mendelevium is a synthetic element with the symbol Md and the atomic number 101. A metallic radioactive transuranic element in the actinide series, mendelevium is usually synthesized by bombarding einsteinium with alpha particles. It was named after Dmitri Ivanovich Mendeleev, who created the...	no data	no data	no data	no data	no data	no data
102	No	nobelium Nobelium Nobelium is a synthetic element with the symbol No and atomic number 102. It was first correctly identified in 1966 by scientists at the Flerov Laboratory of Nuclear Reactions in Dubna, Soviet Union...	no data	no data	no data	no data	no data	no data
103	Lr	lawrencium Lawrencium Lawrencium is a radioactive synthetic chemical element with the symbol Lr and atomic number 103. In the periodic table of the elements, it is a period 7 d-block element and the last element of actinide series...	no data	no data	no data	no data	no data	no data
104	Rf	rutherfordium Rutherfordium Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of New Zealand physicist Ernest Rutherford. It is a synthetic element and radioactive; the most stable known isotope, 267Rf, has a half-life of approximately 1.3 hours.In the periodic table of the elements,...	no data	no data	no data	no data	131 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
105	Db	dubnium Dubnium The Soviet team proposed the name nielsbohrium in honor of the Danish nuclear physicist Niels Bohr. The American team proposed that the new element should be named hahnium , in honor of the late German chemist Otto Hahn...	no data	no data	no data	no data	126 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
106	Sg	seaborgium Seaborgium Seaborgium is a synthetic chemical element with the symbol Sg and atomic number 106.Seaborgium is a synthetic element whose most stable isotope 271Sg has a half-life of 1.9 minutes. A new isotope 269Sg has a potentially slightly longer half-life based on the observation of a single decay...	no data	no data	no data	no data	121 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
107	Bh	bohrium Bohrium Bohrium is a chemical element with the symbol Bh and atomic number 107 and is the heaviest member of group 7 .It is a synthetic element whose most stable known isotope, 270Bh, has a half-life of 61 seconds...	no data	no data	no data	no data	119 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
108	Hs	hassium Hassium Hassium is a synthetic element with the symbol Hs and atomic number 108. It is the heaviest member of the group 8 elements. The element was first observed in 1984...	no data	no data	no data	no data	118 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
109	Mt	meitnerium Meitnerium Meitnerium is a chemical element with the symbol Mt and atomic number 109. It is placed as the heaviest member of group 9 in the periodic table but a sufficiently stable isotope is not known at this time which would allow chemical experiments to confirm its position, unlike its lighter...	no data	no data	no data	no data	113 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
110	Ds	darmstadtium Darmstadtium Darmstadtium is a chemical element with the symbol Ds and atomic number 110. It is placed as the heaviest member of group 10, but no known isotope is sufficiently stable to allow chemical experiments to confirm its placing in that group...	no data	no data	no data	no data	112 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
111	Rg	roentgenium Roentgenium Roentgenium is a synthetic radioactive chemical element with the symbol Rg and atomic number 111. It is placed as the heaviest member of the group 11 elements, although a sufficiently stable isotope has not yet been produced in a sufficient amount that would confirm this position as a heavier...	no data	no data	no data	no data	118 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
112	Cn	copernicium	no data	no data	no data	no data	130 1 E-11 m To help compare different orders of magnitude this page lists lengths between 10−11 m and 10−10 m .Distances shorter than 10 pm* 25 pm — empirical radius of hydrogen atom* 28 pm — covalent radius of helium atom...	no data
113	Uut	ununtrium Ununtrium Ununtrium is the temporary name of a synthetic element with the temporary symbol Uut and atomic number 113.It is placed as the heaviest member of the group 13 elements although a sufficiently stable isotope is not known at this time that would allow chemical experiments to confirm its position...	no data	no data	no data	no data	no data	no data
114	Uuq	ununquadium Ununquadium Ununquadium is the temporary name of a radioactive chemical element with the temporary symbol Uuq and atomic number 114. There is no proposed name yet, although flerovium has been discussed in the media.About 80 decays of atoms of...	no data	no data	no data	no data	no data	no data
115	Uup	ununpentium Ununpentium Ununpentium is the temporary name of a synthetic superheavy element in the periodic table that has the temporary symbol Uup and has the atomic number 115....	no data	no data	no data	no data	no data	no data
116	Uuh	ununhexium Ununhexium Ununhexium is the temporary name of a synthetic superheavy element with the temporary symbol Uuh and atomic number 116. There is no proposed name yet although moscovium has been discussed in the media.It is placed as the heaviest member of group 16 although a sufficiently stable isotope is...	no data	no data	no data	no data	no data	no data

Covalent radii (single bond)

More recent data can be found in Covalent radius

Covalent radius

The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in picometres or angstroms , with 1 Å = 100 pm....

. The above values are based on

Triple-bond covalent radii

Mean-square deviation 3pm.

Triple-Bond Covalent Radii Table online

Atomic radii

Covalent radii (single bond)

Triple-bond covalent radii

See also