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1 янв 1897 г. - Joseph John Thomson

Описание:

Used a CRT to determine the charge to mass ratio of an electron = 1.759 x 10^8 coulombs/grams; studied canal rays and found they were associated with the proton H+

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Atomic Theory timeline

BySpencer Knight
14 фев 2019
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1 янв 1897 г.
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~ 128 г назад

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