15 août 1932 - Chadwick - 1932
Description:
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.Ajouté au bande de temps:
Date:
15 août 1932
Maintenaint
~ Il y a 93 ans