HALF-LIFE PROBLEMS
be left if we know its half-life. r Example: The half-life of Po^M Is 0.001 second. How much of a 10 g sample will be left after 0.003 seconds? Answer: Calculate the number of half-lives; 0.003 seconds x 1 half-life = 3 half-lives 0.001 second • After 0 half-lives, 10 g ar6 left. After 1 half-life