Question

what is a atom?? plz tell me​

Answer 1

Answer:

the smallest particle of a chemical element that can exist.

An atom a fundamental piece of matter. ... An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons. The protons and the neutrons make up the center of the atom called the nucleus and the electrons fly around above the nucleus in a small cloud.