12 h 16 min, 25 janv. 1932 ans - Chadwick
Description:
Chadwick discovered the neutron, and how they are located in the center of the atom with the protons. Concluded that neutrons neither have a positive nor negative charge but contribute to the atomic weight with the same effect as the protons.Ajouté au bande de temps:
Date:
12 h 16 min, 25 janv. 1932 ans
Maintenaint
~ Il y a 93 ans