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12 mai 1904 - -J.J Thomson was responsible for the discovery of the electron in 1897 using a cathode ray tube, and proposed the ‘Plum Pudding’ atomic model in 1904. The Plum Pudding atomic model consisted of electrons within a positive atom.
Ajouté au bande de temps:
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By
De-Hong Wong
15 oct. 2017
0
0
404
Date:
12 mai 1904
Maintenaint
~ Il y a 120 ans
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