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23 июл 1897 г. - Diagram
Описание:
The diagram is a circle contain the same amount of electrons and neutrons.
Добавлено на ленту времени:
Atomic Structure Contribution
By
Ronin Nelson
18 сен 2018
2
0
680
Дата:
23 июл 1897 г.
Сейчас
~ 128 г назад
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