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The hall-de of radon- 222 is 25 days A bomeonner med aradon test kat to sample the air a ha bome, but forget to senda for proceing for 30 days. If the level of radon was actually 100 cou ntat vale noeld be reported by ल O93 couts Oe 060 couts Oc94 counts Od.17 counts Oe15 counts

The hall-de of radon- 222 is 25 days A bomeonner med aradon test kat to sample the air a ha bome, but forget to senda for proceing for 30 days. If the level of radon was actually 100 cou ntat vale noeld be reported by ल O93 couts Oe 060 couts Oc94 counts Od.17 counts Oe15 counts

Chemistry
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 12 The half-life of radon-222 is 28 days A homeowner used a radon test-kit to sample the air in his home, but forget to send it for processing for 30 days. If the level of raden was actually 100 counts, what value would be reported by the test lab? O a.93 courts Ob060 counts O94 counts Od.17 counts Oe15 counts QUESTION 13 If par poloratum-210 (k-5.02 x 10 day ) were used in a crime, based on radicactive disitegation alone, bow loug would it take for half the ongmal isotope to disappear? Oa 693 hours Oh.29 yearn O 138 days Odi4x 10minstes
Transcribed Image Text:QUESTION 12 The half-life of radon-222 is 28 days A homeowner used a radon test-kit to sample the air in his home, but forget to send it for processing for 30 days. If the level of raden was actually 100 counts, what value would be reported by the test lab? O a.93 courts Ob060 counts O94 counts Od.17 counts Oe15 counts QUESTION 13 If par poloratum-210 (k-5.02 x 10 day ) were used in a crime, based on radicactive disitegation alone, bow loug would it take for half the ongmal isotope to disappear? Oa 693 hours Oh.29 yearn O 138 days Odi4x 10minstes
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