Question

what is the charge of electron proton and neutron. who discovered these particles

Answer 1

charge on electron is negative.
charge on proton is positive.
neutron is neutral(they have no charge).

electron discovered by j.j thomson.
proton discovered by Ernest Rutherford.

Answer 2

Answer:

Proton = +1

Neutron = 0

Electron = −1

J. J. Thomson discovered a negatively charged particle, called the electron.

Rutherford found proton and neutron