Answer the following questions.
1. What is a half-life? 2. The decay constant of radioactive iodine 131 is 9.98 x 10-7 s-1. What is the half-life of this isotope of iodine?
1. What is a half-life?
2. The decay constant of radioactive iodine 131 is 9.98 x 10-7 s-1. What is the half-life of this isotope of iodine?
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