What is the time it takes for 50% of an unstable isotope to decay to a stable form called?
A)semichron
B)middlemorph
C)demidose
D)half-life

Question

Quizplus · Accepted Answer

The time it takes for 50% of an unstable isotope to decay to a stable form is called half-life. It is the amount of time required for half of the original amount of the radioactive element to decay into a stable form. Therefore, the correct option is (D) half-life. Options (A), (B), and (C) are not relevant to the concept of radioactive decay.

What Is the Time It Takes for 50% of an Unstable