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OpenStudy (anonymous):
ii) What is the equation for the fraction of atoms? Explain all parts. iii) Why is half life useful? Explain at least 2 reasons.
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OpenStudy (anonymous):
you mean in terms of packing fraction??
OpenStudy (anonymous):
half life is the time by which the atomic decaying active mass reduces to half.. so it is used to calculate the amount of mass remaining after any instant of time if we know the mass which is present at initial time...
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