Question #133453

If we have "No" number of any radioactive element then after a period of "n" half-lives the number of atoms left behind is?

A) (2No)^n

B) (1/2 No)^n

C) 2^n No

D) (1/2)^n No

Answer: If we have "No" number of any radioactive element then after a period of "n" half-lives the number of atoms left behind is (1/2)^n No.

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