Which substance has a chemical formula with the same ratio of metal ions to nonmetal ions as in potassium sulfide?

(1) sodium oxide

(2) sodium chloride

(3) magnesium oxide

(4) magnesium chloride

Verified Answer :

Answer=1

Potassium Sulfide= K2S (two metals, one non metal)


Sodium Oxide=Na2O (two metals. one nonmetal)

Sodium Chloride=NaCl (one metal, one nonmetal)

Magnesium Oxide=MgO (one metal, one nonmetal)

Magnesium Chloride=MgCl2 (one metal, two nonmetals)

That answer is 1........................