Question

What is atom, neutron, proton and electron?

Answer 1

Atom:

The smallest unit of an element which may or may not have an independent existence, but always takes part in a chemical reaction is called atom.

Neutron:

A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Proton:

A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.

Electron:

A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.