A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 19.00 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 67 179 73 11 6 177 71 radionuclide Cu Ta с Lu half-life 62.0 hours 2. years 20. minutes 7.0 days initial radioactivity (choose one) (choose one) O (choose one) (choose one) time for amount of radionuclide to decrease to 1/8 of initial amount hours years minutes days
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 19.00 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 67 179 73 11 6 177 71 radionuclide Cu Ta с Lu half-life 62.0 hours 2. years 20. minutes 7.0 days initial radioactivity (choose one) (choose one) O (choose one) (choose one) time for amount of radionuclide to decrease to 1/8 of initial amount hours years minutes days
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 19.00 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
67
29
179
73
11
6
177
71
radionuclide
Cu
Ta
C
Lu
half-life
62.0 hours
2. years
20. minutes
7.0 days
initial
radioactivity
(choose one)
(choose one) ◊
(choose one)
(choose one)
time for amount of
radionuclide to decrease to
1/8 of initial amount
X
hours
years
minutes
days
S](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F89b126cf-58b3-49ad-9704-387f30e63dfe%2F29233a27-20e6-4e59-8729-b0541469742e%2Fyv78gtj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 19.00 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
67
29
179
73
11
6
177
71
radionuclide
Cu
Ta
C
Lu
half-life
62.0 hours
2. years
20. minutes
7.0 days
initial
radioactivity
(choose one)
(choose one) ◊
(choose one)
(choose one)
time for amount of
radionuclide to decrease to
1/8 of initial amount
X
hours
years
minutes
days
S
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