Strontium is chemically similar to calcicum and can replace calcium in – InterviewSolution

1.	Strontium is chemically similar to calcicum and can replace calcium in bones. The radiation from Sr^(90) can damage bone narrow marrow where blood cells are produced, and lead to serious health problems. The time taken for 99.99% of a sample of Sr^(90) is lambda "for" Sr^(90)=0.23yr^(-1):
Answer» 10yr 200yr 40yr 400yr Answer :C

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