Question

what is meaning of proton ​

Answer 1

Answer:

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

Answer 2

Answer:

Proton

Proton is a subatomic particle of an atom.Ernest Rutherford. It is 100 years since Ernest Rutherford published his results proving the existence of the proton. For decades, the proton was considered an elementary particle. It's presented as p or p⁺,with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron.

$protons + neutrons = mass \: of \: atom$

Protons and neutrons, each with masses of approximately one atomic mass unit, are collectively referred to as "nucleons".