A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 2.00 μmol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/16 of the initial amount. sample A B C D symbol 201 81 137 55 90 38 64 radionuclide 29 TI Cs Sr half-life 73.0 hours 30.0 years 29.0 years 13. hours initial radioactivity (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/16 of initial amount hours years years hours
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 2.00 μmol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/16 of the initial amount. sample A B C D symbol 201 81 137 55 90 38 64 radionuclide 29 TI Cs Sr half-life 73.0 hours 30.0 years 29.0 years 13. hours initial radioactivity (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/16 of initial amount hours years years hours
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section: Chapter Questions
Problem 18.CCP
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