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12 Mai 1904 Jahr - -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.

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ByDe-Hong Wong
15 Okt 2017
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12 Mai 1904 Jahr
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~ 121 years ago

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