Which subatomic particle was discovered by J.J. Thomson using the cathode ray tube experiment?

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A Proton
B Neutron
C Electron
D Alpha particle

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Answer: C. Electron

J.J. Thomson discovered electrons in 1897 through his cathode ray tube experiments, proving that atoms are divisible and contain negatively charged particles.

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Which subatomic particle was discovered by J.J. Thomson using the cathode ray tube experiment?

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