A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/16 of the initial amount. radionuclide time for amount of initial sample radionuclide to decrease to radioactivity symbol half-life 1/16 of initial amount 68 I minutes v (choose one) 1 (highest) A Ga 68.0 minutes 31 141 3 33.0 days I days Ce 4 (lowest) 58 122 I 4.0 minutes |(choose one) v |minutes 53 105 Rh 35.0 hours |(choose one) v hours 45

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 20.00 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 1/16 of the initial amount. radionuclide time for amount of initial sample radionuclide to decrease to radioactivity symbol half-life 1/16 of initial amount 68 I minutes v (choose one) 1 (highest) A Ga 68.0 minutes 31 141 3 33.0 days I days Ce 4 (lowest) 58 122 I 4.0 minutes |(choose one) v |minutes 53 105 Rh 35.0 hours |(choose one) v hours 45

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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