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    a short half-life explanation

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    If it takes 10.0 minutes for 5000 atoms of a radioactive isotope to decay to 2500 atoms, how many of the original 5000 atoms remain after 30.0 minutes?

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    Solution Preview

    This is a straightforward 1/2 life problem. A half-life is the time it takes a radioisotope to spontaneously decay by ...

    Solution Summary

    A brief treatment of the concept of radioactive half-life with respect to the decay timing.