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jan 1, 1897 - JJ Thomson- Discovery of Electrons

Description:

-JJ Thomson discovers the electron, using properties of cathode rays and also found the charge to mass ratio of electrons.
-Proved Dalton's theory that atoms were invisible wrong.

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ByJoan Kirimi
16 Oct 2017
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Date:

jan 1, 1897
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~ 128 years ago
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