Which Statement, A-D, Regarding the Activity of a Radioactive Sample

question 34

Multiple Choice

Which statement, A-D, regarding the activity of a radioactive sample, is not correct? If all are correct, respond E.

• A) The activity of a sample is the number of decay events per second.
• B) The activity depends on a rate constant for the decay and the amount of the radioisotope in the sample.
• C) Radioactive decay follows first-order reaction kinetics.
• D) The activity will decrease to half its initial value in a time equal to ln(2)/k, where k is the rate constant.
• E) A-D are all correct.

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