Question

Select One Option correct from the following: The half life of $^{131} I$ is 8 days. Given a sample of $^{131} I$at time t = 0, we can assert that
(A) no nucleus will decay before t = 4 days.
(B) no nucleus will decay before t = 8 days.
(C) all nuclei will decay before t = 16 days.
(D) a given nucleus may decay at any time after t = 0.

Answer 1

Answer:

It's D

Explanation: