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jan 1, 1897 - JJ Thompson discovers the electron

Description:

English Physicist, JJ Tompson, used a cathode ray tube and two ionized plates to determine that something negatively charged inside the atom. He called these negativity charged ions "corpuscles" that were later renamed as Electrons

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History of the Atom

ByChristian Kasten
7 Dec 2019
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Date:

jan 1, 1897
Now
~ 129 years ago
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