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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 июл 1900 г. - Becquerel discovered electrons and beta particles are the same thing.
Добавлено на ленту времени:
1st Nine Weeks Honor Project Chemistry
By
Ayanna
18 окт 2018
0
0
441
Дата:
30 июл 1900 г.
Сейчас
~ 125 г назад
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