Science

7th

grade

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Half Life - Radioactivity

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  • 1. Multiple Choice
    30 seconds
    1 pt

    The term given to unstable radioactive atoms.

    Parent

    Daughter

    Half Life

    Igneous

  • 2. Multiple Choice
    30 seconds
    1 pt

    The % of the parent isotope remaining after 3 Half Lives.

    50%

    25%

    12.5%

    6.25%

  • 3. Multiple Choice
    1 minute
    1 pt

    The % of the parent isotope remaining after 1 Half Life.

    50%

    25%

    12.5%

    6.25%

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