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2 фев 1897 г. - John Sealy Townsend and Robert A. Millikan further investigated electrons and were able to determine their exact charge and mass.
Добавлено на ленту времени:
History of the Periodic Table
By
lily heavner
3 окт 2017
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0
424
Дата:
2 фев 1897 г.
Сейчас
~ 127 г назад
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