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feb 15, 1897 - J. J. Thomson discovers the electron

Description:

J. J. Tomson is a british scientist. He was born in 1856 and died in 1940. He discovered the electron by the cathode ray experiment. He also proposed the plum pudding atom.

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Atomic Theory Timeline

ByJeremy
16 Oct 2017
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Date:

feb 15, 1897
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~ 129 years ago
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