A. J.J. Thomson
B. Ernest Rutherford
C. James Chadwick
D. Niels Bohr
Answer: James Chadwick
A. J.J. Thomson
B. Ernest Rutherford
C. James Chadwick
D. Niels Bohr
Answer: James Chadwick
Additional Information: James Chadwick discovered the neutron in 1932.
Subjects: Atomic Structure, Chemistry