Question

what is atoms and molecules?​

Answer 1

• The smallest particle of an element which may or may not have independent existence is called an atom.While,
• The smallest particle of a substance which is capable of independent existence is called a molecule.

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.