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 1/8 of the initial amount. sample A B C D symbol 72 33 223 88 61 29 59 radionuclide 26 As Ra Cu Fe half-life 26. hours 11. days 3. hours 45.0 days initial radioactivity (choose one) (choose one) (choose one) (choose one) time for amount of radionuclide to decrease to 1/8 of initial amount hours days hours days
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 1/8 of the initial amount. sample A B C D symbol 72 33 223 88 61 29 59 radionuclide 26 As Ra Cu Fe half-life 26. hours 11. days 3. hours 45.0 days initial radioactivity (choose one) (choose one) (choose one) (choose one) time for amount of radionuclide to decrease to 1/8 of initial amount hours days hours days
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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Transcribed Image Text: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 1/8 of the initial amount.
sample
A
B
C
D
symbol
72
33
223
88
61
29
59
radionuclide
26
As
Ra
Cu
Fe
half-life
26. hours
11. days
3. hours
45.0 days
initial
radioactivity
(choose one)
(choose one)
(choose one)
(choose one)
time for amount of
radionuclide to decrease to
1/8 of initial amount
hours
days
hours
days
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