The rate constant for the decay of unstable nuclide X by alpha-particle emission is 1.17x10 /day. What is the identity of X? Hint: There are 365 days in a year. A) Uranium-238 Nuclide Half-Life B) Uranium-234 Uranium-238 4.51 x 10° years Uranium-234 2.48 x 10° years 10 1.62 x 10° years 20.4 years C) Thorium-230 Thorium-230 8.00 x years Radium-226 D) Radium-226 Lead-210 E) Lead-210

The rate constant for the decay of unstable nuclide X by alpha-particle emission is 1.17x10 /day. What is the identity of X? Hint: There are 365 days in a year. A) Uranium-238 Nuclide Half-Life B) Uranium-234 Uranium-238 4.51 x 10° years Uranium-234 2.48 x 10° years 10 1.62 x 10° years 20.4 years C) Thorium-230 Thorium-230 8.00 x years Radium-226 D) Radium-226 Lead-210 E) Lead-210

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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