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31 дек 1896 г. - When J J Thompson discovered electrons and suggested that the model of an atom was a sphere of matter in which electrons are positioned by electrostatic forces. 1897
Добавлено на ленту времени:
Chemistry
By
obenma
12 ноя 2019
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Дата:
31 дек 1896 г.
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~ 127 г назад
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