A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 17.00 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 1/32 of the initial amount. sample A B C D symbol 52 25 15 8 212 82 91 39 radionuclide Mn O Pb Y half-life 6.0 days 122. seconds 11. hours 59.0 days initial radioactivity (choose one) (choose one) (choose one) O (choose one) time for amount of radionuclide to decrease to 1/32 of initial amount X days seconds hours days Ar

World of Chemistry, 3rd edition
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Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
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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 17.00 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 1/32 of the initial amount.
olo
sample
A
B
C
D
symbol
52
25
15
8
212
82
91
39
radionuclide
Mn
O
Pb
Y
half-life
6.0 days
122. seconds
11. hours
59.0 days
initial
radioactivity
(choose one)
(choose one)
(choose one)
(choose one) >
time for amount of
radionuclide to decrease to
1/32 of initial amount
X
days
seconds
hours
days
Ar
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 17.00 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 1/32 of the initial amount. olo sample A B C D symbol 52 25 15 8 212 82 91 39 radionuclide Mn O Pb Y half-life 6.0 days 122. seconds 11. hours 59.0 days initial radioactivity (choose one) (choose one) (choose one) (choose one) > time for amount of radionuclide to decrease to 1/32 of initial amount X days seconds hours days Ar
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