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80 70 60 50 40 30 20 10 1. 4. 10 Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? Counts per minute

80 70 60 50 40 30 20 10 1. 4. 10 Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? Counts per minute

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter19: Radioactivity And Nuclear Energy
Section19.2: Application Of Radioactivity
Problem 4RQ
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Use the graph below to answer the following questions. Assume one atom produces one count per minute. Do not include units in your answers. 80 70 60 50 40 30 20 10 4. 10 Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? Counts per minute
Transcribed Image Text:Use the graph below to answer the following questions. Assume one atom produces one count per minute. Do not include units in your answers. 80 70 60 50 40 30 20 10 4. 10 Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? Counts per minute
20 10 1 4. Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? c. How many atoms are left after 2 half-lives? d. Approximately how many days would have to pass for there to be only 2.5 atoms of the sample remaining?
Transcribed Image Text:20 10 1 4. Time (Days) a. How many atoms are in the original sample size of this radioisotope? b. How long is the half-life in days? c. How many atoms are left after 2 half-lives? d. Approximately how many days would have to pass for there to be only 2.5 atoms of the sample remaining?
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