1 janv. 1897 - J.J. Thomson : His atomic model was called the 'Plum pudding'.He discovered about the electrons and he even noticed that an atom can be divided. He also said that aoms are made of positive cores and negatively charged particles within it.
Ajouté au bande de temps:
Date:
1 janv. 1897
Maintenaint
~ Il y a 128 ans