Copper is a pure substance.
pure
symbol Cu
Copper metal is an element and thus a pure substance.
Brass is a mixture
pure substance?
No. Brass is an alloy of copper and zinc.
No, it is a mixture; rarely a drug is a pure substance.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
Copper metal is an element and thus a pure substance.
Copper sulfate is a pure substance.
No, it is a pure substance.
It should be a "pure" substance, but its really an alloy.
No, copper chloride is a pure substance.
No, copper chloride is a pure substance.
copper is an ELEMENT therefore it is not a heterogeneous OR homogeneous mixture.
Brass is a mixture
pure substance
Either gold or copper on their own would be pure substances. But if you have them together it's a mixture, not a pure substance.