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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 3.00 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. time for amount of radionuclide to decrease to 1/4 of initial amount radionuclide initial sample radioactivity symbol half-life 72 As 33 26. hours (choose one) v hours 60 Co 27 5.0 years (choose one) v O years B 99 Mo 42 66.0 hours (choose one) v O hours 227 Ac 89 22. years (choose one) v L years

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 3.00 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. time for amount of radionuclide to decrease to 1/4 of initial amount radionuclide initial sample radioactivity symbol half-life 72 As 33 26. hours (choose one) v hours 60 Co 27 5.0 years (choose one) v O years B 99 Mo 42 66.0 hours (choose one) v O hours 227 Ac 89 22. years (choose one) v L years

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
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Understanding radloactive nal me A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 3.00 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. radionuclide time for amount of initial sample radionuclide to decrease to radioactivity symbol half-life 1/4 of initial amount 72 As 33 A 26. hours (choose one) v hours 60 Co B 5.0 years |(choose one) v years 27 99 Mo 42 66.0 hours (choose one) hours 227 D Ac 89 22. years (choose one) v O years Explanation Check P Type here to search 02022 McGraw Hill LLC All Rights Reserved. Terms of Use I Privacy Center Accessibility 99+ IA ASUS ZenBook F3 F5 F6 F8 F9 F10 F12 Prt Sc Insert De %24 4. & 6.
Transcribed Image Text:Understanding radloactive nal me A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 3.00 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. radionuclide time for amount of initial sample radionuclide to decrease to radioactivity symbol half-life 1/4 of initial amount 72 As 33 A 26. hours (choose one) v hours 60 Co B 5.0 years |(choose one) v years 27 99 Mo 42 66.0 hours (choose one) hours 227 D Ac 89 22. years (choose one) v O years Explanation Check P Type here to search 02022 McGraw Hill LLC All Rights Reserved. Terms of Use I Privacy Center Accessibility 99+ IA ASUS ZenBook F3 F5 F6 F8 F9 F10 F12 Prt Sc Insert De %24 4. & 6.
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