In radioactive decay,when the parent material decays to one-half of its original amount,the time is
A)one half-life.
B)two half-lives.
C)three half-lives.
D)four half-lives.

Question

Quizplus · Accepted Answer

One half-life is the amount of time it takes for half of a radioactive material to decay. Therefore, when the parent material decays to one-half of its original amount, it has gone through one half-life.

In Radioactive Decay,when the Parent Material Decays to One-Half of Its