How is the half-life of a radioactive parent isotope defined?
A)the time it takes for half of the parent isotope to decay to daughter isotope
B)half the time it takes for the parent isotope to completely decay to daughter isotopes
C)the time for parent isotopes to undergo half the decay steps to produce a daughter isotope
D)half of the average rate of decay of the parent isotope

Question

Quizplus · Accepted Answer

The half-life of a radioactive parent isotope is defined as the time it takes for half of the parent isotope to decay to daughter isotope. This is the most commonly used definition in scientific literature and is essential for understanding the behavior of radioactive isotopes over time.

How Is the Half-Life of a Radioactive Parent Isotope Defined