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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/8 of the initial amount. sample A B с symbol 152 63 60 27 67 31 103 radionuclide 46 Eu Co Ga Pd half-life 13. years 5.0 years 78.0 hours 17. days initial radioactivity ✓ (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount years years hours days

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/8 of the initial amount. sample A B с symbol 152 63 60 27 67 31 103 radionuclide 46 Eu Co Ga Pd half-life 13. years 5.0 years 78.0 hours 17. days initial radioactivity ✓ (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount years years hours days

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section: Chapter Questions
Problem 67IL
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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/8 of the initial amount. sample A B C D symbol 152 63 60 27 67 31 103 radionuclide 46 Eu Co Ga Pd half-life 13. years 5.0 years 78.0 hours 17. days initial radioactivity ✓ (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount × years years hours days Ś
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/8 of the initial amount. sample A B C D symbol 152 63 60 27 67 31 103 radionuclide 46 Eu Co Ga Pd half-life 13. years 5.0 years 78.0 hours 17. days initial radioactivity ✓ (choose one) 1 (highest) 2 3 4 (lowest) (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount × years years hours days Ś
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