Question

A radioactive sample initially contains 4.00 mg of

234

U. (a) How much of it will

remain unchanged after 62000 years? (b) What will be the activity of

234

U at the



end of that time. T1/2=2.48×10

5

years and λ=8.88×10

-14

s^-¹​

Answer 1

Answer:

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