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Atoms, Molecule...

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  • Question 1
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    In a controlled nuclear reactor, the moderator used slows down the neutrons produced due to the fission. The element used as the moderator should be able to

  • Question 2
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    Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion, 5 billion years ago while other one was created in a nuclear reactor, 5 minutes ago. The probability of decay during the next time is

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