emilymedellin0 emilymedellin0

12-09-2018
Chemistry

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JJ Thompson
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What electric charge did this discovery have?

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12-09-2018

In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

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