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1 Jan 1897 Jahr - J.J. Thomson

Beschreibung:

J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

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Andrew's atomic theory

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6 Jan 2020
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Datum:

1 Jan 1897 Jahr
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~ 128 years ago
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