What happens to the half-life of a radioactive substance as it decays?
A) It increases.
B) It decreases at a constant rate.
C) It remains constant.
D) It decreases at an exponential rate.

Question

Quizplus · Accepted Answer

The half-life of a radioactive substance remains constant regardless of how much of the substance has decayed. This is a fundamental property of radioactive decay, where the half-life is defined as the time required for half of the radioactive atoms in a sample to decay, and it does not change over time.

What Happens to the Half-Life of a Radioactive Substance as It