Tarapacaite
Encyclopedia
Tarapacaite is the mineral form of Potassium chromate
with the chemical formula
K
2Cr
O
4. It forms bright yellow crystals and was discovered in 1878 in Tarapacá
Province, Chile for which it is named. It is unlikely that this mineral would occur anywhere except in the most arid conditions as it would be easily soluble in water.
Potassium chromate
Potassium chromate is a yellow chemical indicator used for identifying concentrations of chloride ions in a salt solution with silver nitrate...
with the chemical formula
Chemical formula
A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound....
K
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...
2Cr
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...
O
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...
4. It forms bright yellow crystals and was discovered in 1878 in Tarapacá
Tarapacá
Tarapacá may refer to:*Tarapacá Province, Chile, a former province, now divided into**Tarapacá Region**Arica-Parinacota Region*Tarapacá Department , a former department of Peru...
Province, Chile for which it is named. It is unlikely that this mineral would occur anywhere except in the most arid conditions as it would be easily soluble in water.