The time that it takes for half of a radioactive isotope to break down is its
A) half-life.
B) relief.
C) cleavage.
D) density.
E) wave length.

Name: The time that it takes for half of a radioactive isotope to break down is its A) half-life. B) relief. C) cleavage. D) density. E) wave length.
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Question

Quizplus · Accepted Answer

The definition provided is that of a half-life, which is the time required for half of a radioactive substance to decay. The other options have nothing to do with radioactive decay.

The Time That It Takes for Half of a Radioactive