A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 12.00 tumol 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. time for amount of radionuclide to decrease to 1/16 of initial amount radionuclide sample initial radioactivity half-life symbol 131 Cs days 10. days (choose one) Y A 55 55 Fe 26 Оyears 3.0 years (choose one) В 127 Xe 54 days 36.0 days (choose one) C 52 Mn 25 days 6.0 days (choose one) D (choose one) X 1 (highest) 2 3 4 (lowest) Explanation Check O2019 McGraw-Hill Education. All Rights Reserved. Terms of Use

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter20: Nuclear Chemistry
Section: Chapter Questions
Problem 20.27QP
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Calculate how long it will take for the amount of radionucleotide in each sample to decrease to 1/16 of the initial amount

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 12.00 tumol 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.
time for amount of
radionuclide to decrease to
1/16 of initial amount
radionuclide
sample
initial radioactivity
half-life
symbol
131
Cs
days
10. days
(choose one) Y
A
55
55
Fe
26
Оyears
3.0 years
(choose one)
В
127
Xe
54
days
36.0 days
(choose one)
C
52
Mn
25
days
6.0 days
(choose one)
D
(choose one)
X
1 (highest)
2
3
4 (lowest)
Explanation
Check
O2019 McGraw-Hill Education. All Rights Reserved. Terms of Use
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 12.00 tumol 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. time for amount of radionuclide to decrease to 1/16 of initial amount radionuclide sample initial radioactivity half-life symbol 131 Cs days 10. days (choose one) Y A 55 55 Fe 26 Оyears 3.0 years (choose one) В 127 Xe 54 days 36.0 days (choose one) C 52 Mn 25 days 6.0 days (choose one) D (choose one) X 1 (highest) 2 3 4 (lowest) Explanation Check O2019 McGraw-Hill Education. All Rights Reserved. Terms of Use
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