21. Nuclear Chemistry
Radioactive Half-Life
21. Nuclear Chemistry Radioactive Half-Life
3PRACTICE PROBLEM
Initially, a sample of 24Na decays at a rate of 450 disintegration/sec. After 200 min, the rate slows down to 385.59 disintegration/sec. Calculate the half-life of 24Na in hours.
Initially, a sample of 24Na decays at a rate of 450 disintegration/sec. After 200 min, the rate slows down to 385.59 disintegration/sec. Calculate the half-life of 24Na in hours.