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  • 21-10-2020
  • Chemistry
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JJ Thompson Atomic theory timeline

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hayesbabybe2001
hayesbabybe2001 hayesbabybe2001
  • 21-10-2020

Answer:

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. ... Thomson realized that the accepted model of an atom did not account for negatively or positively charged particles.

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