A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 23.00 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 C D symbol 60 27 103 46 55 26 141 radionuclide 58 Co Pd Fe Ce half-life 5.0 years 17. days 3. years 33. days initial radioactivity (choose one) ✓ (choose one) ♥ (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount years days years days Ś
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 23.00 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 C D symbol 60 27 103 46 55 26 141 radionuclide 58 Co Pd Fe Ce half-life 5.0 years 17. days 3. years 33. days initial radioactivity (choose one) ✓ (choose one) ♥ (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/8 of initial amount years days years days Ś
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section: Chapter Questions
Problem 18.CCP
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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 23.00 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
60
27
103
46
55
26
141
radionuclide
58
Co
Pd
Fe
Ce
half-life
5.0 years
17. days
3. years
33. days
initial
radioactivity
(choose one) ✓
(choose one) ♥
(choose one) ✓
(choose one) ✓
time for amount of
radionuclide to decrease to
1/8 of initial amount
years
days
years
days
Ś
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