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13 янв 1897 г. - jj thompson

Описание:

J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.

Добавлено на ленту времени:

atomic theory

Byabdelrahman nassar
28 сен 2018
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389

Дата:

13 янв 1897 г.
Сейчас
~ 128 г назад

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