Question

what is atom??????........​

Answer 1

Answer:

An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms

Answer 2

Atom is the smallest particle of a matter. It is indivisible but now as per new theories in chemistry there is sub-division of atom and it has some three known particles called as Electron, Proton and Neutron.