a
James Chadwick
b
Ernest Rutherford
c
J.J Thompson
d
John Dalton
Explanation
Correct Option
aVideo Explanation
Post your Contribution
Share:
Discussions (3)

Dave333
4 years ago
This was my answer:By 1920, physicists knew that most of the mass of the atom was located in a nucleus at its center, and that this central core contained protons. In May 1932 James Chadwick announced that the core also contained a new uncharged particle, which he called the neutron.

Stanley2011surgeon9wpkkdoeow
1 year ago
it was earnest Rutherford ooo during the modification of Dalton atomic principle check back

