Question

Who discovered a sub-atomic particle which had no charge and a mass nearly equal to that of a proton?​

Answer 1

J. Chadwick

In 1932, J. Chadwick discovered another subatomic particle which had no charge and a mass nearly equal to that of a proton. It was eventually named as neutron. Neutrons are present in the nucleus of all atoms, except hydrogen.

Answer 2

Answer:

J. Chadwick

In 1932, J. Chadwick discovered another subatomic particle which had no charge and a mass nearly equal to that of a proton. It was eventually named as neutron. Neutrons are present in the nucleus of all atoms, except hydrogen