Krypton-81m (81mKr) is a radioactive isotope with a half-life of 13.1 s that is often used...
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Krypton-81m (81mKr) is a radioactive isotope with a half-life of 13.1 s that is often used in pulmonary ventilation studies for the gamma (y) particles it emits. How long after a patient is administered a dose of 81mKr does only 7 % of the isotope remain? (in s) 36.78 s 0.20 s 50.26 s 39.30 s 34.84 s Submit Answer Tries 0/5 Krypton-81m (81mKr) is a radioactive isotope with a half-life of 13.1 s that is often used in pulmonary ventilation studies for the gamma (y) particles it emits. How long after a patient is administered a dose of 81mKr does only 7 % of the isotope remain? (in s) 36.78 s 0.20 s 50.26 s 39.30 s 34.84 s Submit Answer Tries 0/5
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