Объяснение:
H(I)S(II) - H2S
Mg(II)O(II) - MgO
S(IV)O(II) - SO2
K(I)O(II) - K2O
Na(I)O(II) - Na2O
K(I)Cl(I) - KCl
Ag(I)O(II) - Ag2O
Ba(II)O(II) - BaO
Zn(II)O(II) - ZnO
Sn(IV)O(II) - SnO2
Li(I)O(II) - Li2O
Ca(II)Cl(I) - CaCl2
N(III)O(II) - N2O3
N(III)H(I) - NH3
Al(III)S(II) - Al2S3
