The time it takes for half of the atoms in a radioisotope sample to decay is called the ____.
A) decay time
B) half-life
C) isotopic life
D) release time
E) denature time

Question

The time it takes for half of the atoms in a radioisotope sample to decay is called the ____.​
A) decay time​
B) ​half-life
C) ​isotopic life
D) ​release time
E) ​denature time

Quizplus · Accepted Answer

The term "half-life" refers to the period it takes for half of the atoms in a sample of a radioactive isotope to decay into a different form or isotope.

The Time It Takes for Half of the Atoms in a Radioisotope