Question

What's a compound?
What's an element?
whatss a mixture?

Answer 1

Compound: any substance composed of identical molecules consisting of atoms of two or more chemical elements.

Element: is a pure substance which cannot be broken down by chemical means.

Mixture: is a substance which consist of two or more elements or compounds not chemically combined together.

Answer 2

a compound is two or more elements.
a element is a pure substance when cannot be broken down. it consists of atoms, protons, neutrons, and electrons.
a mixture is a a substance made by mixing other substance together.