Iodine-131 is a radioactive isotope after 200 days 842 of a
Iodine-131 is a radioactive isotope. After 2.00 days, 84.2% of a sample of 131I remains. Explain what is the half-life of 131I?
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iodine-131 is a radioactive isotope after 200 days 842 of a sample of 131i remains explain what is the half-life of
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