Multiple Choice
The half- life of a radioactive isotope refers to:
A) the time it takes for half of the parent isotopes to decay to daughter isotopes.
B) the time it takes for the ratio of parent to daughter isotopes to be 1:2 (half as many parent isotopes as daughter isotopes) .
C) one- half of the total lifespan of a parent isotope.
D) the time it takes for the ratio of parent to daughter isotopes to be 2:1 (twice as many parent isotopes as daughter isotopes) .
Correct Answer:
Verified
Correct Answer:
Verified
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