8..At-219 is a nuclide produced during the decay of U-235, and At-219 in nature is estimated to be about 44 mg in the upper 1 km of the earth's crust.Calculate the total radioactivity of At-219 present in nature. (At-219 has a half-life of 54 seconds and an atomic weight of 219.01 u.

8..At-219 is a nuclide produced during the decay of U-235, and At-219 in nature is estimated to be about 44 mg in the upper 1 km of the earth's crust.Calculate the total radioactivity of At-219 present in nature. (At-219 has a half-life of 54 seconds and an atomic weight of 219.01 u.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter29: Nuclear Physics

Section: Chapter Questions

Problem 19P

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