cuprous sulfide
chemical compound
Quick Summary
Cuprous sulfide is a chemical compound that is a sulfide of copper. Specifically, it refers to the black, crystalline sulfide with the chemical formula Cu2S. This compound occurs naturally as the mineral chalcocite. It is one of the principal compounds of copper(I) and is insoluble in water but soluble in ammonium hydroxide and nitric acid. Cuprous sulfide has applications in solar cells, luminous paints, and electrodes.123
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