Nuclear Decay Worksheet - Answer Key

 

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  1. What is nuclear decay?

    A decays is the loss of various components from the nucleus including  alpha and beta particles, gamma rays, positrons, etc.

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  2. What determines the stability of a nucleus?

    The ratio of protons to neutrons in the nucleus determines the nucleus stability.

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  3. What is one purpose that the neutrons serve in the nucleus?

    They separate the positively charged protons from one another – thereby minimizing the repulsions felt within the nucleus.

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  4. What are some methods of decay?

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    1.  α particle decay.

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    2. β particle decay.

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    3. Positron emission

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    4. Gamma ray emission.

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    5. Electron capture.

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