Question

what is atoms and molecules

Answer 1

atom is the tiniest part of matter
Two or more atoms come together to form a anger particle called molecule.
hope it helps

Answer 2

What is Atom ?

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across.

What is molecule ?

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.