Copper is a pure substance.
Copper metal is an element and thus a pure substance.
No, a brass screw is not a pure substance. Brass is an alloy made up of copper and zinc, so it is considered a mixture rather than a pure substance.
pure substance?
Nope . It's a mixture of many pure substances
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.
copper is an ELEMENT therefore it is not a heterogeneous OR homogeneous mixture.
Copper wire is a pure substance, as it is made entirely of copper atoms.
No, a brass screw is not a pure substance. Brass is an alloy made up of copper and zinc, so it is considered a mixture rather than a pure substance.
Copper is an element itself Symbol Cu Not a mixture like brass or bronze etc.
Neither. Copper is not a mixture at all. It is a pure element.
Copper metal is a pure substance, not a mixture. It is an element with the chemical symbol Cu.