The ___ of a radioactive material is the time it takes for a given amount of radioactive isotope to be reduced by half.

Question

Quizplus · Accepted Answer

The term used to describe the time it takes for a given amount of radioactive isotope to be reduced by half is "half-life". Therefore, the correct answer is E. The other options (atomic life, atomic mass life, atomic spin life, nuclear magnetic life) are not commonly-used terms in radioactive decay and are not accurate descriptions of the half-life concept.

The ___ of a Radioactive Material Is the Time It