Question

what is an atom and molecules

Answer 1

A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons amongatoms.

hope it helped.....☺️

Answer 2

atom is the smallest indivisible particle in the world/universe.
two or more atoms combine to form molecules