17 март 1932 г. - james chadwick
Описание:
played a vital role in the atomic theory, as 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:
17 март 1932 г.
Сейчас
~ 93 г назад