15 agos 1932 anni - Chadwick - 1932
Descrizione:
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.
Aggiunto al nastro di tempo:
The History of the Atom
Data:
