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jan 4, 1932 - James Chadwick discovers the neutron

Description:

James Chadwick is an english physicist born 1891 and died 1974. He discovered a new subatomic particle that has no charge and affects the atomic mass.

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Atomic Theory Timeline

ByJeremy
16 Oct 2017
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Date:

jan 4, 1932
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~ 93 years ago
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