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Get Answers to all your Questions
Who and when discovered neutrons
Answers (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 the neutron. Chadwick was born in1891 in Manchester, England.
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