15 авг 1932 г. - Chadwick - 1932
Описание:
He discovered the neutron in atoms. . Neutrons are located in the center of an atom, in the nucleus along with the protons. They have neither a positive nor negative charge, but contribute the the atomic weight with the same effect as a proton.Добавлено на ленту времени:
Дата:
15 авг 1932 г.
Сейчас
~ 93 г назад