it is substance
copper is a substance
Copper wire is a substance because it is made up of a single type of material, which is copper. It is not a mixture of different substances.
Copper metal is an element and thus a pure substance.
Copper is a pure substance.
No, it is a pure substance.
copper is an ELEMENT therefore it is not a heterogeneous OR homogeneous mixture.
It should be a "pure" substance, but its really an alloy.
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.
Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.
Copper is an element, not a molecule or a mixture. It is a pure substance made up of only copper atoms.