Question- a sample of curium 243 were prepared with an, Ask an Expert

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Question- A sample of curium 243 were prepared with an activity of 3012 disintegrations per second. After 1 year the activity of the sample had declined to 2921 disintegrations per second.

a) What is the activity of the sample in curies, Ci, after one year?

b) What is the activity of the sample in Becquerels, Bq, after one year?

c) What is the half-life for the decay process?

d) How much of a 325.0 mg sample would be left after 50 years?

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Category:- Chemistry
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