[{"from": "human", "value": "Describe this molecule. [Ca+2].[Br-1].[Br-1]"}, {"from": "gpt", "value": "The molecule is a chemical compound of calcium and bromine. It can be found in drilling fluids, neuroses medication, freezing mixtures, food preservatives, photography and fire retardants. Bromine is a halogen element with the symbol Br and atomic number 35. Diatomic bromine does not occur naturally, but bromine salts can be found in crustal rock. (L625, L646)"}]