Question

what is atom
atom is smallest particles​

Answer 1

Answer:

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 picrometres around.

At last one small request from you.

Please mark me as brainliest.

Answer 2

Answer:

ATOMS -
an atom is defined as the smallest particle of the matter which can't be created or destroyed in any Chemical reaction.

It has 3 subparticles :

Protons, neutrons and electrons

Explanation: