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Author Question: Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ... (Read 67 times)

ap345

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on: Jul 8, 2021

Question 1

Bombardment of As by a deuteron, H, forms a proton and an isotope which has a mass number of ________ and an atomic number of ________.
◦ 75, 32
◦ 75, 33
◦ 73, 32
◦ 76, 33
◦ 74, 34

Question 2

Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What percentage of a sample remains after 60.0 min?
◦ 71.2
◦ 5.28
◦ 13.0
◦ 34.0
◦ 2.94
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by ap345 on Jul 8, 2021

dmurph1496

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ap345

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Reply 2 on: Jul 8, 2021
Excellent

carlsona147

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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