In a comparison of two radioisotopes, isotope A requires
Chapter 25, Problem 20(choose chapter or problem)
In a comparison of two radioisotopes, isotope A requires 18.0 hours for its decay rate to fall to its initial value, while isotope B has a half-life that is 2.5 times that of A. How long does it take for the decay rate of isotope B to decrease to of its initial value? 1 32 1 16 l?
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