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amount. sample A B C D symbol 61 29 201 81 99 42 75 34 Cu T1 radionuclide Mo Se half-life 3. hours 73.0 hours 66.0 hours 120. days initial radioactivity (choose one) (choose one) (choose one) (choose one) time for amount of radionuclide to decrease to 1/4 of initial amount X hours hours hours days Ś

amount. sample A B C D symbol 61 29 201 81 99 42 75 34 Cu T1 radionuclide Mo Se half-life 3. hours 73.0 hours 66.0 hours 120. days initial radioactivity (choose one) (choose one) (choose one) (choose one) time for amount of radionuclide to decrease to 1/4 of initial amount X hours hours hours days Ś

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
Section25.4: Rates Of Nuclear Decay
Problem 25.6CYU
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8:16 Sat, Dec 3 in M. O NUCLEAR CHEMISTRY Understanding radioactive half life sample A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 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 1/4 of the initial amount. A B C D Explanation symbol 61 29 201 81 99 42 75 34 2 Cu Tl radionuclide Mo Se Check half-life 3. hours 73.0 hours 66.0 hours 120. days initial radioactivity (choose one) (choose one) (choose one) ✓ (choose one) time for amount of radionuclide to decrease to 1/4 of initial amount X 3 hours hours hours days 3/5 S 100% Chisom V G E Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Acc 156 ||| O
Transcribed Image Text:8:16 Sat, Dec 3 in M. O NUCLEAR CHEMISTRY Understanding radioactive half life sample A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 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 1/4 of the initial amount. A B C D Explanation symbol 61 29 201 81 99 42 75 34 2 Cu Tl radionuclide Mo Se Check half-life 3. hours 73.0 hours 66.0 hours 120. days initial radioactivity (choose one) (choose one) (choose one) ✓ (choose one) time for amount of radionuclide to decrease to 1/4 of initial amount X 3 hours hours hours days 3/5 S 100% Chisom V G E Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Acc 156 ||| O
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