Answer:

Elements:

-is a subtype of pure substance that contains one kind of matter. It cannot be separated or broken down by physical or chemical element.

Compounds:

-Unlike elements, compounds are substances that consist of two or more different elements that are bo ded chemically in a fixed ratio.

Similarities:

-their basic unit of matter is atoms

-since there is the presence of atoms, they have bonds linking the atoms to one another

-they are both under the category of pure substances

-they are homogeneous or have a uniform appearance.