Объяснение:
1) H(I)S(II), C(IV)O(II), S(IV)O(II), Fe(III)O(II), H(I)Br(I), Cl(V)O(II), K(I)O(II), Al(III)O(II), N(V)O(II), Cr(III)O(II)
2) CO2, SO3, Na2O, Cl2O5, B2O3
Объяснение:
1) H(I)S(II), C(IV)O(II), S(IV)O(II), Fe(III)O(II), H(I)Br(I), Cl(V)O(II), K(I)O(II), Al(III)O(II), N(V)O(II), Cr(III)O(II)
2) CO2, SO3, Na2O, Cl2O5, B2O3