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25-10-2016
Physics

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When did jj thomson contribute to the atomic theory?

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Michaellewis6341 Michaellewis6341

27-10-2016

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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