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 2. 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? Counts per minute
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 2. 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? Counts per minute
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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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.
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?
Counts per minute
Transcribed Image Text: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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