Problem: Write the formula for an ionic compound formed from O2- with each of the following ions.magnesium ion sodium ion aluminum ion

FREE Expert Solution

Recall that for ionic compounds, charges of the ion goes to the subscript of the counterion

Anion → oxide →  O2-

magnesium ion → Group 2A → Mg2+ + O2- → MgO

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Problem Details

Write the formula for an ionic compound formed from O2- with each of the following ions.

magnesium ion 

sodium ion 

aluminum ion

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