Answer: The first atomic explosion was detonated in the
Chapter 20, Problem 20.23(choose chapter or problem)
The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What percentage of the strontium-90 (t1/2 5 28.9 yr) originally produced by that explosion still remains as of July 16, 2016?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer