Element X has an electron configuration of 2-8-2. This element will combine with the oxide ion to form a compound with the formula

George Karpenkov asked Feb 18, 2022

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George Karpenkov asked Feb 18, 2022

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29 votes

2+8+2 = 12 electrons
Magnesium has 12 electrons
Magnesium and oxide combine to for Magnesium Oxide
Mg^2+ + O^2- = MgO

Ankur Chauhan answered Feb 22, 2022

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