Question

what are atoms and molecules for class 9

Answer 1

Answer:

Molecules: A group of two or more than two atoms of the same or different elements that are chemically bonded together is called a molecule. For example: Two atoms of hydrogen (H2) and one atom of oxygen (O2) react with each other and form one molecule of water.

Atoms are very small, they are smaller than anything we can imagine or compare with. Symbols of Atoms of different Elements.

Answer 2

Helo mate here your ans

ATOM

Atom is the fundamental unit of matter

MOLECULES

when two or more atoms combine they from molecules, they also called as particles

Hope this ans help you...