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15 Aug 1904 Jahr - Plum Pudding Model: Created by J.J Thomson; Negative electrons represent raisins, embedded in the dough (a positively charged substrate); The atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges

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Atomic Theory Timeline Project

Byleah
21 Okt 2018
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Datum:

15 Aug 1904 Jahr
Jetzt
~ 120 years ago

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