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James Chadwick (oct 20, 1891 – jul 24, 1974)

Description:

1891-1974 AD in England and Europe

-Discovered the neutron
-Studied the power of polonium gamma rays
-At first believed the neutron was a complex particle consisting of a proton and an electron (disproved by Heisenberg)

Added to timeline:

Atomic Theory Scientists

ByDorian Williams
7 Nov 2018
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440

Date:

oct 20, 1891
jul 24, 1974
~ 82 years

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