Radioactive Decay 100 100 60 50 40 25 12.5 20 8.25 3.125 10 15 20 25 Time (days) O A. Half of the 100 g sample is not radioactive anymore after 5 days. O B. Half of the 100 g sample is not radioactive anymore after 10 days. O C. Half of the 100 g sample is not radioactive anymore after 15 days. O D. Half of the 100 g sample is not radioactive anymore after 20 days. Mass Blemuth (g)

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Chapter1: Chemical Foundations
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Christopher drew a graph to show changes in the mass of Bismuth during 25 days of radioactive decay. Based on the results below,
what is the half-life of Bismuth in days?
Radioactive Decay
100
100
80
60
40.
12.5
20-
6.25 3.125
10
15
20
25
Time (days)
O A. Half of the 100 g sample is not radioactive anymore after 5 days.
O B. Half of the 100 g sample is not radioactive anymore after 10 days.
O C. Half of the 100 g sample is not radioactive anymore after 15 days.
O D. Half of the 100 g sample is not radioactive anymore after 20 days.
DELL
Mass Blomuth (g)
Transcribed Image Text:Flag for follow-up Christopher drew a graph to show changes in the mass of Bismuth during 25 days of radioactive decay. Based on the results below, what is the half-life of Bismuth in days? Radioactive Decay 100 100 80 60 40. 12.5 20- 6.25 3.125 10 15 20 25 Time (days) O A. Half of the 100 g sample is not radioactive anymore after 5 days. O B. Half of the 100 g sample is not radioactive anymore after 10 days. O C. Half of the 100 g sample is not radioactive anymore after 15 days. O D. Half of the 100 g sample is not radioactive anymore after 20 days. DELL Mass Blomuth (g)
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