A nuclear isotope has a mean lifetime of 76.7 s. What is the half life of this isotope? Number If initially 1.2 mols of the isotope are present how many atoms will remain after 80 seconds Number
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A: F. Soddy was the scientist
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Q: 5. Krypton-85 is an inert radioactive noble gas with a half-life of approximately 10.76 years. a.…
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A: Given data The half-life of element X is given as t1/2 = 6 hrs. The original sample of element X is…
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A: 19K40 -> 18Ar40 + e+ + vewhere, e+ is beta-positive particle and ve is neutrino
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