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Author Question: What is the ground-state electron configuration of Se2-? (Read 123 times)

tfester

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on: Feb 15, 2020

Question 1

Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state?

(I) O2-, Ne, and Mg2+
(II) Ni, Cu+, and Zn2+
(III)Hg, Tl+, and Pb2+

◦ (I)
◦ (I) and (III)
◦ (II) and (III)
◦ all three sets

Question 2

What is the ground-state electron configuration of Se2-?
◦ [Ar]3d104s24p6
◦ [Ar]3d104s24p2
◦ [Ar]3d104s24p4
◦ [Ar]3d124s24p4
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by tfester on Feb 15, 2020

nital

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Reply #1 on: Feb 15, 2020
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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tfester

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Reply 2 on: Feb 15, 2020
Great answer, keep it coming :)

scottmt

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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