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Author Question: Approximately what mass of a 1.00 mg sample of 131I remains after 40.2 days? The half-life of 131I is 8.04 d. (Read 38 times)

jwb375

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on: Jul 8, 2021

Question 1

An isotope which has too high a neutron-proton ratio can gain stability by:
◦ beta emission
◦ K-capture
◦ proton emission
◦ gamma emission
◦ alpha emission

Question 2

Approximately what mass of a 1.00 mg sample of 131I remains after 40.2 days? The half-life of 131I is 8.04 d.
◦ 0.0313 mg
◦ 0.200 mg
◦ 0.0249 mg
◦ 0.0156 mg
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by jwb375 on Jul 8, 2021

Sassygurl126

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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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jwb375

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

helenmarkerine

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Reply 3 on: Yesterday
Excellent

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