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Describe how J J Thompson discovered the electron and explain how this discovery led him to suggest a new model of the atom, known as Thompson’s plum-pudding model.

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Answer:

Summary. J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged "soup."

Explanation:

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