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5. Answer the following decay problems: a. Fluorine-21 has a half life of approximately 5 seconds. What fraction of the original nuclei would remain after 30 seconds? b. The half-life of chromium-51 is 28 days. If the sample contained 200 grams, how much chromium would remain after 36 days? How much would remain after 6months? How much was present 168 days prior? c. Given the following data table,find each decay constant (A) with appropriate units! 1'1: 8.07 days "K: 12.4 hours 198 "Au: 2.69 days

5. Answer the following decay problems: a. Fluorine-21 has a half life of approximately 5 seconds. What fraction of the original nuclei would remain after 30 seconds? b. The half-life of chromium-51 is 28 days. If the sample contained 200 grams, how much chromium would remain after 36 days? How much would remain after 6months? How much was present 168 days prior? c. Given the following data table,find each decay constant (A) with appropriate units! 1'1: 8.07 days "K: 12.4 hours 198 "Au: 2.69 days

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5. Answer the following decay problems: a. Fluorine-21 has a half life of approximately 5 seconds. What fraction of the original 6. The 3 ways that Gamma Rays interact with matter are PhotoElectric effect, Compton Scattering, and Pair Production. Explain each AND complete the diagram for each: a. PhotoElectric effect nuclei would remain after 30 seconds? b. The omium-51 is days. sample contai grams, much chromium would remain after 36 days? How much would remain after 6months? How much was present 168 days prior? b. Compton Scattering c. Pair production c. Given the following data table,find each decay constant (1) with appropriate units! >1.02 mEv 13'1: 8.07 days 42K: 12.4 hours 198 "Au: 2.69 days 3"P: 14.3 days "Sr. 28.1 years "Fe: 8.51 minutes 7. Using the following reactions, Compare and Contrast between a Beta Plus and Electron Capture Decays: 37 Са 20 37 K 19 37 Са 20 +1 37 K 19 +
Transcribed Image Text:5. Answer the following decay problems: a. Fluorine-21 has a half life of approximately 5 seconds. What fraction of the original 6. The 3 ways that Gamma Rays interact with matter are PhotoElectric effect, Compton Scattering, and Pair Production. Explain each AND complete the diagram for each: a. PhotoElectric effect nuclei would remain after 30 seconds? b. The omium-51 is days. sample contai grams, much chromium would remain after 36 days? How much would remain after 6months? How much was present 168 days prior? b. Compton Scattering c. Pair production c. Given the following data table,find each decay constant (1) with appropriate units! >1.02 mEv 13'1: 8.07 days 42K: 12.4 hours 198 "Au: 2.69 days 3"P: 14.3 days "Sr. 28.1 years "Fe: 8.51 minutes 7. Using the following reactions, Compare and Contrast between a Beta Plus and Electron Capture Decays: 37 Са 20 37 K 19 37 Са 20 +1 37 K 19 +
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