Question

Who was the first to discover neutrons ?

Answer 1

1. James Chadwick discovered the neutron in 1932.
2. Neutron is neutral species of an atom i.e. it has no charge on it.
3. The relative mass of a neutron is 1 and the absolute mass of a neutron is $1.67\times {10}^{-27}\mathrm{Kg}$