Question

What does the half life of a radioisotope correspond to?a. The length of time it takes for one nucleus to undergo a nuclear reaction b. The length of time a material is stable before the nucleus becomes radioactive c. The length of time for a radioactive material to completely decay to a stable formd. The length of time required for half of a sample of radioactive material to decay

Answer 1

Step-by-step explanation:

The half-life is the time required for a radioactive sample to be reduced by half.

Answer: d. The length of time required for half of a sample of radioactive material to decay