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Which one of the following quantities is reduced to one half of its initial value during a time equal to the half-life of the radioactive isotope?
A sample of material initially contains atoms of only one radioactive isotope.



A. A total mass of the sample
B. A total number of atoms in the sample
C. A total number of nuclei in the sample
D. Activity of the radioactive isotope in the sample

This question is part of 7.2 Atomic Physics
Asked by Gboulton, Last updated: Mar 19, 2020

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1 Answer

John Smith

John Smith

Answered Jan 12, 2017

Activity of the radioactive isotope in the sample
 

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