Multiple Choice
What is the half-life of a sample of matter containing a radioactive element?
A) time needed for the radioactive atoms to build up half the energy needed to decay
B) half the time needed for the radioactive decay rate to double
C) time needed for half the radioactive atoms in the sample to decay
D) half the time needed for all the radioactive atoms in the sample to decay
Correct Answer:
Verified
Correct Answer:
Verified
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