24 июн 1920 г. - Protons and neutrons are born!
Описание:
Rutherford names the positively charged particles in the nucleus of the atom, protons. He also proposes that the nucleus also contains neutrally charged particles. (neutrons.)Добавлено на ленту времени:
Дата:
24 июн 1920 г.
Сейчас
~ 103 г назад
