Question

Two observations which show that atom is not indivisible

Answer 1

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Answer : The two observations which shows that atom is not indivisible are: 1) the stream of cathode rays in the gas discharge tube shows the presence of negatively charged subatomic particles called electrons from the J.J. Thomson's experiment.

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Answer 2

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The two observations which shows that atom is not indivisible are: 1) the stream of cathode rays in the gas discharge tube shows the presence of negatively charged subatomic particles called electrons from the J.J. Thomson's experiment.