A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 5.00 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. radionuclide sample initial radioactivity symbol half-life time for amount of radionuclide to decrease to 1/32 of initial amount 62 A Cu 5.0 minutes 2 minutes 29 91 B Y 59.0 days 1 (highest) days 39 188 C Re 17. hours 3 hours 75 62 D Zn 9.0 hours 4 (lowest) hours 30 X $ ? o0o Ar

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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 5.00 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.
radionuclide
sample
initial
radioactivity
symbol
half-life
time for amount of
radionuclide to decrease to
1/32 of initial amount
62
A
Cu
5.0 minutes
2
minutes
29
91
B
Y
59.0 days
1 (highest)
days
39
188
C
Re
17. hours
3
hours
75
62
D
Zn
9.0 hours
4 (lowest)
hours
30
X
$
?
o0o
Ar
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 5.00 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. radionuclide sample initial radioactivity symbol half-life time for amount of radionuclide to decrease to 1/32 of initial amount 62 A Cu 5.0 minutes 2 minutes 29 91 B Y 59.0 days 1 (highest) days 39 188 C Re 17. hours 3 hours 75 62 D Zn 9.0 hours 4 (lowest) hours 30 X $ ? o0o Ar
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