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1 янв 1932 г. - James Chadwick

Описание:

Chadwick discovered the atomic neutrons and how they contribute to atomic weight and atomic mass. Before this, scientists thought atoms were just made of protons and electrons.

Добавлено на ленту времени:

Time Tree - Atomic theory Thade

ByThade
2 янв 2020

Дата:

1 янв 1932 г.
Сейчас
~ 92 г назад
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