A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 umol 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 1/4 of the initial amount. radionuclide time for amount of initial sample radionuclide to decrease to 1/4 of initial amount radioactivity symbol half-life 64 3. minutes Ga 31 v (choose one) 1 (highest) A minutes 2. 203 Pb 3 B 2. days 4 (lowest) |days 82 122 I 4. minutes (choose one) : minutes 53 32 14. days I days (choose one) 15

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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 umol 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 1/4 of the initial amount.
radionuclide
time for amount of
radionuclide to decrease to
1/4 of initial amount
initial
radioactivity
olo
sample
symbol
half-life
64
Ga
31
3. minutes
v (choose one)
1 (highest)
Iminutes
A
203
3
2. days
I days
Pb
4 (lowest)
82
122
4. minutes
(choose one)
minutes
53
32
14. days
I days
D
(choose one)
15
Explanation
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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 25.00 umol 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 1/4 of the initial amount. radionuclide time for amount of radionuclide to decrease to 1/4 of initial amount initial radioactivity olo sample symbol half-life 64 Ga 31 3. minutes v (choose one) 1 (highest) Iminutes A 203 3 2. days I days Pb 4 (lowest) 82 122 4. minutes (choose one) minutes 53 32 14. days I days D (choose one) 15 Explanation Check Privacy Accessibility 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use TO W MAY 1 10 MacBook Air
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