A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 µmol of the radionucli 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 of the initial amount. sample A B с D symbol 13 7 90 39 223 88 51 radionuclide 25 N Y Ra Mn half-life 10. minutes 64.0 hours. 11. days 46.0 minutes initial radioactivity (choose one) ✓ (choose one) ✓ (choose one) ✓ (choose one) ✓ time for amount of radionuclide to decrease to 1/32 of initial amount minutes hours days minutes

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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 µmol of the radionucli
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
of the initial amount.
sample
A
B
C
D
symbol
13
7
90
39
223
88
51
25
radionuclide
N
Y
Ra
Mn
half-life
10. minutes
64.0 hours
11. days
46.0 minutes
initial
radioactivity
(choose one)
(choose one)
(choose one)
(choose one) ✓
time for amount of
radionuclide to decrease to
1/32 of initial amount
minutes
hours
days
minutes
Transcribed Image Text:A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 µmol of the radionucli 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 of the initial amount. sample A B C D symbol 13 7 90 39 223 88 51 25 radionuclide N Y Ra Mn half-life 10. minutes 64.0 hours 11. days 46.0 minutes initial radioactivity (choose one) (choose one) (choose one) (choose one) ✓ time for amount of radionuclide to decrease to 1/32 of initial amount minutes hours days minutes
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