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1 янв 1887 г. - J.J. Thomson

Описание:

In 1897, 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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atom timeline

ByShelby Swartzendruber
20 дек 2019
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1 янв 1887 г.
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~ 138 г назад
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