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ChemistryQ&A LibraryAR AND ORGANIC CHEMISTRYUnderstanding radioactive half lifeDENNISA medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 1.00 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 1/8of the initial amount.radionuclidetime for amount ofinitial radioactivity radionuclide to decrease to1/8 of initial amountsamplesymbolhalf-life177Lu7.0 daysD daysA.|(choose one)71192Ir7774.0 daysdays(choose one)179Ta73Oyears2 years(choose one)122I534.0 minutesOminutes(choose one)(choose one)1 (highest)234 (lowest)ExplanationCheckPrivacyTerms of UseO 2019 McGraw-Hill Education. All Rights Reserved.IIQuestion

Asked Dec 1, 2019

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First order the samples by decreasing initial video activity then calculate how long it will take for the amount of radionuclides in each sample to decrease to 1/8 of the initial amount

Step 1

Calculation for time to decrease by 1/8 of initial amount of sample A:

Step 2

Calculation for time to decrease by 1/8 of initial amount of sample B:

Step 3

Calculation for time to decrease by 1/8...

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