1 янв 1897 г. - Thomson Adds Electrons
Описание:
The next major advance in the history of the atom was the discovery of electrons. These were the first subatomic particles to be identified. They were discovered in 1897 by a British physicist named J. J. Thomson.Добавлено на ленту времени:
Дата:
1 янв 1897 г.
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~ 128 г назад