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apr 15, 1932 - James Chadwick - Discovery of Neutron (1932)

Description:

Chadwick found an unknown radiation when experimenting with beryllium atoms and alpha particles which was made up of neutral particles. These particles are called electrons and have approximately the same mass as protons.

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Atomic Theory Timeline

BySANYA SHETTY
9 Oct 2018
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Date:

apr 15, 1932
Now
~ 93 years ago
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