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23 avr. 1975 - JJ Thompson 1997
Description:
- studied cathode rays
- all atoms are made up of parts
- isotopes existence
-discovered electrons
Ajouté au bande de temps:
Scientist timeline
By
Annabelle Tate
7 nov. 2017
0
0
496
Date:
23 avr. 1975
Maintenaint
~ Il y a 50 ans
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