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###### B.2 Formulas of ionic compoundsNamePositive IonNegative IonFormulaSodium chlorideNa +Magnesium chlorideCalcium oxideLithium phosphideAluminum sulfideCalcium nitride

B.2 Formulas of ionic compounds Name Positive Ion Negative Ion Formula Sodium chloride Na + Magnesium chloride Calcium oxide Lithium phosphide Aluminum sulfide Calcium nitride

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