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JJ Thompson
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What electric charge did this discovery have?

2 Answers

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Answer:

he discovered the electron

Step-by-step explanation:

User Chris Walton
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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 Marfalkov
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