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Why are heavy nuclei unstable?...

Why are heavy nuclei unstable?

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Heavy nuclei, for example, `""_(92)U^(238)` contains 92 protons and 146 neutrons. The wide difference between the number of protons and neutrons makes the heavy nuclei unstable.
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a. Are heavy nuclei stable or unstable ? b. Give reason.

Write the name of the radioactive radiations which are emitted by the unstable nuclei.

Knowledge Check

  • Which is unstable?

    A
    HCOOH
    B
    `CH_(3)CH_(2)COCl`
    C
    `CH_(3)COCl`
    D
    HCOCl

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