Strontium 90 38Sr has a half-life of 29.1 yr. It is
Chapter , Problem 35(choose chapter or problem)
Strontium 90 38Sr has a half-life of 29.1 yr. It is chemically similar to calcium, enters the body through the food chain, and collects in the bones. Consequently, 90 38Sr is a particularly serious health hazard. How long (in years) will it take for 99.9900% of the 90 38Sr released in a nuclear reactor accident to disappear?
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