H2S H(I) S(II)
Fe2O3 Fe(III) O(II)
N2O5 N(V) O(II)
NH3 N(III) H(I)
Cl2O7 Cl(VII) O(II)
OF2 O(II) F(I)
MgO Mg(II) O(II)
H2S H(I) S(II)
Fe2O3 Fe(III) O(II)
N2O5 N(V) O(II)
NH3 N(III) H(I)
Cl2O7 Cl(VII) O(II)
OF2 O(II) F(I)
MgO Mg(II) O(II)