Verified answer

Na⁺ + H⁺ = NaH

2Na⁺+ S²⁻=Na₂S

2Na⁺ + O²⁻=Na₂O  

Na⁺ + N³⁻ = NaBr

Mg²⁺ + 2H⁺= MgH₂

Mg²⁺+S²⁻= MgS  

Mg²⁺ + O²⁻ =MgO

3Mg²⁺ 2N³⁻=Mg₃N₂  

Mg²⁺ + 2Br⁻ =MgBr₂

2 Fe³⁺ + 3S²⁻=Fe₂S₃  

2Fe³⁺ + 3O²⁻ =Fe₂O₃

Fe³⁺ + N³⁻ =FeN

Fe³⁺ + 3Br⁻ =FeBr₃