100- Using the graph to the right, answer the following questions. 90- 80- 4. What is the half-life of each element? 70- 60- 50- 40- 30- 20- 5. Which element has the shortest half-life? 10- 6. Which element is the most unstable? How B 12 13 14 10 11 Age (x 10° years) do you know? Use the graph on the to answer the following questions. 7. How many atoms are in the original sample size of this radioisotope? 80 70 60 50 8. How long is the half-life? 40 30 9. How many atoms are left after 2 half-lives? 20 10 10. Approximately how many days would have to pass for there to be only 2.5 atoms of the sample remaining? Ho- many half-lives? 10 Time (Days) Counts per minute Percent of Original Mass Remaining

100- Using the graph to the right, answer the following questions. 90- 80- 4. What is the half-life of each element? 70- 60- 50- 40- 30- 20- 5. Which element has the shortest half-life? 10- 6. Which element is the most unstable? How B 12 13 14 10 11 Age (x 10° years) do you know? Use the graph on the to answer the following questions. 7. How many atoms are in the original sample size of this radioisotope? 80 70 60 50 8. How long is the half-life? 40 30 9. How many atoms are left after 2 half-lives? 20 10 10. Approximately how many days would have to pass for there to be only 2.5 atoms of the sample remaining? Ho- many half-lives? 10 Time (Days) Counts per minute Percent of Original Mass Remaining

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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