A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 5.00 µumol 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 1/8of the initial amount.radionuclidetime for amount ofinitial radioactivity radionuclide to decrease to1/8 of initial amountsamplesymbolhalf-life122II minutesA4.0 minutes|(choose one) v5320173.0 hoursO hoursBT1(choose one) v81179Ta2. years(choose one) v|years7312560.0 daysI daysDI(choose one) v53(choose one)1 (highest)?34 (lowest)

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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. st, 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 the initial amount. time for amount of initial radioactivity radionuclide to decrease to 1/8 of initial amount radionuclide sample symbol half-life 122 I 53 4.0 minutes |(choose one) v O minutes A 201 T1 81 O hours B 73.0 hours |(choose one) v 179 Ta 73 O years 2. years (choose one) v 125 I 53 O days D 60.0 days |(choose one) v (choose one) 1 (highest) 2 4 (lowest)

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. st, 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 the initial amount. time for amount of initial radioactivity radionuclide to decrease to 1/8 of initial amount radionuclide sample symbol half-life 122 I 53 4.0 minutes |(choose one) v O minutes A 201 T1 81 O hours B 73.0 hours |(choose one) v 179 Ta 73 O years 2. years (choose one) v 125 I 53 O days D 60.0 days |(choose one) v (choose one) 1 (highest) 2 4 (lowest)

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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Question

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 5.00 µumol 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.
radionuclide
time for amount of
initial radioactivity radionuclide to decrease to
1/8 of initial amount
sample
symbol
half-life
122
I
I minutes
A
4.0 minutes
|(choose one) v
53
201
73.0 hours
O hours
B
T1
(choose one) v
81
179
Ta
2. years
(choose one) v
|years
73
125
60.0 days
I days
D
I
(choose one) v
53
(choose one)
1 (highest)
?
3
4 (lowest)

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