Question

PLEASE HELPP!!!!

If you have the same mass and volume of two different radioactive substances, which will be radioactive longer- the one with a larger half-life or the one with the shorter half-life?​

Answer 1

It is impossible to predict when an individual radioactive atom will decay. ... Rather, the half-life describes the average amount of time it takes for a large group of amounts to reach the point where half of the atoms have decayed.

Step-by-step explanation: