Question

During nuclear explosion, one of the products is MSr with half-life of 28.1 years. If mg of ⁹⁰Sr was absorbed in the bones of a newly born baby instead of calcium, how much of it will remain after 10 years and 60 years if it is not lost metabolically?

Answer 1

t^1/2 = 28.1 years

For 60 years

The amount of ⁹⁰Sr that will remain in the child’s body after 10 years is 0.78μg and after 60 years is 0.229 μg.