Question

what are the two types of pure substance give one example of each

Answer 1

What is the purest form of carbon?

There are three forms of pure carbon: graphite, coal, and diamond. All three formsare made up of elemental carbon, although coal is usually the least pure when found in nature. Though diamond is considered the purest, all have some impurities when found in nature however.

Answer 2

Elements = gold , silver , etc

Compounds = carbon dioxide , methane , etc