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Copper and sulfur.
copper sulfide
You can create copper sulphide
A compound formed by the reaction of copper and sulfur
Copper (II) Sulphide (CuS2)
There is no compound as copper sulfur, but copper sulfate is a compound, yes.
Copper sulfate (CuSO4) is not a binary compound of copper and sulfur but a compound of copper, sulfur, and oxygen. It can be made by electrolysis of copper with sulfuric acid: Cu + H2SO4 --> CuSO4 + H2
gold,silver,sulfur,copper, and a hole bunch more.
Copper and sulfur.
copper sulfide
I think it is Copper Sulphate
You can create copper sulphide
A compound formed by the reaction of copper and sulfur
Copper (II) Sulphide (CuS2)
Copper sulphate.
Copper Sulfide is a wholly different chemical from copper and sulfur, and thus shows different characteristics and is not dividable by physical means, while a mixture of copper and sulfur powder is just a physical mix.
Quartz, tin, copper, silver, aluminum, sulfur, sphalerite . . . probably more.