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dec 18, 1856 - J.J. Thomson

Description:

J.J Thomson discovered the electron by experimenting with a crookes, or the cathode tube, He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

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Shay, Bri, Raina

ByNeshe Bryant
22 Oct 2018
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Date:

dec 18, 1856
Now
~ 169 years ago
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