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What was J J Thomson contribution to the development of atomic structure
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What was J J Thomson contribution to the development of atomic structure

User Gjorgji
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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.!!!!!! :)
User Silversonic
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