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Author Question: What is the identity of element Q if the ion Q2+ contains 18 electrons? (Read 125 times)

Wadzanai

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Question 1

In which of the following sets do all species have the same number of protons?
◦ Br-, Kr, Rb2+
◦ C, N3-, O2-
◦ O, O2-, O2+
◦ Mg2+, Ca2+, Ba2+

Question 2

What is the identity of element Q if the ion Q2+ contains 18 electrons?
◦ Si
◦ Ca
◦ Ar
◦ S


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Marked as best answer by Wadzanai on Feb 15, 2020

Danny Ewald

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Answer Preview ↓
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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Briana Bueno

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