Chemistry

10th

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Nuclear Reactions

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15 questions

  • 1. Multiple Choice
    30 seconds
    1 pt
    What makes something radioactive?
    elements with an atomic number above 81
    an unstable nucleus
    contaminated sewage
    It decays over time
  • 2. Multiple Choice
    30 seconds
    1 pt

    A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.

    more

    less

    identical

    small

  • 3. Multiple Choice
    1 minute
    1 pt
    Has a mass of 4 and a charge of +2
    Alpha
    Beta
    Gamma
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