After exactly 8 hours, the activity level of a sample of a particular radioactive isotope, which decays into a stable is
Posted: Mon May 16, 2022 7:34 pm
After exactly 8 hours, the activity level of a sample of a particular radioactive isotope, which decays into a stable isotope, has fallen to 20.0% of its initial value. Calculate the half-life of this isotope. hr