Question

Chadwick's experiment the discovery of neutron

Answer 1

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 theneutron. Chadwick was born in1891 in Manchester, England.

Answer 2

SCIENTIST: James Chadwick in 1932

DISCOVERY: He realised that there was something other than protons in the nucleus.

He called this neutrons