Protons were discovered by ______.
Why was neutron discovered so late (in 1932 by James Chadwick) as opposed to protons and electrons which were discovered much earlier?
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
Protons were discovered by J. J. Thomson. True or False