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15 Feb 1897 Jahr - J. J. Thomson discovers the electron

Beschreibung:

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 Okt 2017
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Datum:

15 Feb 1897 Jahr
Jetzt
~ 128 years ago
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