31 janv. 1900 av. J.-C. - Thompson
Description:
 1856-1940
-Discovered the electron.
-1897 was the Cathode Ray experiment
-Plum pudding model.
-Electrons are negatively charged.
-Discovered isotopes in 1913. 
Ajouté au bande de temps:
Date:
31 janv. 1900 av. J.-C.
Maintenaint
 ~ Il y a 3928 ans 
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