Chemistry, 20.05.2021 19:30 robertschulte116

All radioactive sources have a half-life. Which statement about the half-life of a source is correct?

A. It is half the time it takes for an atom to decay

B. It is half the time for the radioactive source to become safe

C. It is the time it takes the actity of the source to decrease by half

D. It is half the time it takes the activity of the source to decrease to zero

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