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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 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 N symbol 103 44 105 Ru 45 radionuclide 170 69 Rh 145 62 Tm Sm half-life 39.0 days 35.0 hours 129. days 340.0 days initial radioactivity (choose one) v (choose one) (choose one) (choose one) v time for amount of radionuclide to decrease to 1/16 of initial amount. days hours days days ? 圖 olb

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 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 N symbol 103 44 105 Ru 45 radionuclide 170 69 Rh 145 62 Tm Sm half-life 39.0 days 35.0 hours 129. days 340.0 days initial radioactivity (choose one) v (choose one) (choose one) (choose one) v time for amount of radionuclide to decrease to 1/16 of initial amount. days hours days days ? 圖 olb

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter19: Radioactivity And Nuclear Energy
Section19.2: Application Of Radioactivity
Problem 4RQ
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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 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 103 44 105 45 radionuclide Ru 170 Rh 69 145 62 Tm Sm half-life 39.0 days 35.0 hours 129. days 340.0 days initial radioactivity (choose one) v (choose one) (choose one) (choose one) ✓ time for amount of radionuclide to decrease to 1/16 of initial amount days hours days days ?圖山圆 Ar
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 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 103 44 105 45 radionuclide Ru 170 Rh 69 145 62 Tm Sm half-life 39.0 days 35.0 hours 129. days 340.0 days initial radioactivity (choose one) v (choose one) (choose one) (choose one) ✓ time for amount of radionuclide to decrease to 1/16 of initial amount days hours days days ?圖山圆 Ar
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