Answer:
C. Elements are made of identical atoms, whereas compounds are made of identical molecules.
Explanation:
Elements are made of identical atoms, whereas compounds are made of identical molecules because elements are made of atoms of only one kind while on the other hand, compounds are the pure substance that is made of molecules that is similar as well as different from one another. Both element and compound are pure substance. Compound can be broken down by chemical means whereas elements can not be broken down.