Who among the following discovered the subatomic particles called neutrons?
Rutherford
E.Goldstein
James Chadwick
J.J Thomson
The subatomic particle called electron was discovered by :
(b) Neils Bohr
(c) James Chadwick
(d) E. Goldstein
In 1932, James Chadwick, an English physicist, discovered the subatomic particle called
Which subatomic particle was discovered by: (i) Chadwick? (ii) Thomson? (iii) Goldstein?
Which sub-atomic particle was discovered by
(a) Thomson (b) Goldstein (c) Chadwick.
Why was neutron discovered so late (in 1932 by James Chadwick) as opposed to protons and electrons which were discovered much earlier?