J. chadwick discovered a sub atomic particle which has no charge but has mass nearly equal to that of a proton.Name the particle and give its location in an atom.

Explanation

The information suggests that the particle discorvered by chadwick is neutron .It is denoted by the symbol `overset(1)underset(0)N` .It islocated in the nucleus of an atom along with proton .For more details consult section 4.7