Exercise 2. Determine the half-life of an element If you start with 128 parent atoms of a radioactive element which has a half-life of 30 million years, then how many total millions of years does each of the following represent? SCENARIO # of half-lives? 64 parent atoms (50 %) remaining 32 parent atoms (25%) remaining 16 parent atoms (12.5%) remaining 8 parent atoms (6.25%) remaining 20 parent atoms (%) remaining # of million yrs. 12

Exercise 2. Determine the half-life of an element If you start with 128 parent atoms of a radioactive element which has a half-life of 30 million years, then how many total millions of years does each of the following represent? SCENARIO # of half-lives? 64 parent atoms (50 %) remaining 32 parent atoms (25%) remaining 16 parent atoms (12.5%) remaining 8 parent atoms (6.25%) remaining 20 parent atoms (%) remaining # of million yrs. 12

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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