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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 март 1932 г. - James Chadwick discovered the neutron which would be the 3rd subatomic particle to be found.
Добавлено на ленту времени:
chem 1
By
Richard Rowland
23 окт 2018
0
0
257
Дата:
23 март 1932 г.
Сейчас
~ 93 г назад
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