Radon-220 (220Rn) is radioactive and decays via theersion of a high energy alpha particle into 216Po. It is dangerous because it is a noble gas and can be breathed in our lungs. This is a particular problem in the basement of homes that have been built in soil with a higher concentration of uranium, as it is a decay product of 238 U. Its decay constant is k = 0.0125 s ¹. If you were to breathe in a particle of dust to which 1.0 picogram of 220Rn was adsorbed, how many alpha particles would be striking the cells lining the surface of your lungs per second? Recall that the superscript on the atomic notation is its molar mass and pico is the prefix indicating 10-12. 3.42 x 107 5.68 x 10-17 0.0125 4.55 x 10-15 2.74 x 10⁹ 4.28 x 105

Radon-220 (220Rn) is radioactive and decays via theersion of a high energy alpha particle into 216Po. It is dangerous because it is a noble gas and can be breathed in our lungs. This is a particular problem in the basement of homes that have been built in soil with a higher concentration of uranium, as it is a decay product of 238 U. Its decay constant is k = 0.0125 s ¹. If you were to breathe in a particle of dust to which 1.0 picogram of 220Rn was adsorbed, how many alpha particles would be striking the cells lining the surface of your lungs per second? Recall that the superscript on the atomic notation is its molar mass and pico is the prefix indicating 10-12. 3.42 x 107 5.68 x 10-17 0.0125 4.55 x 10-15 2.74 x 10⁹ 4.28 x 105

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

Radon-220 (220 Rn) is radioactive and decays via theersion of a high energy alpha
particle into 216Po. It is dangerous because it is a noble gas and can be breathed in
our lungs. This is a particular problem in the basement of homes that have been built
in soil with a higher concentration of uranium, as it is a decay product of 238 U.
Its decay constant is k = 0.0125 s¹. If you were to breathe in a particle of dust to
which 1.0 picogram of 220Rn was adsorbed, how many alpha particles would be
striking the cells lining the surface of your lungs per second? Recall that the
superscript on the atomic notation is its molar mass and pico is the prefix indicating
10-12.
3.42 x 107
5.68 x 10-17
0.0125
4.55 x 10-15
2.74 x 10⁹
4.28 x 105

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