Verified answer

Ответ:

Объяснение:

1 вариант

1) Si(IV)H(I),  Cr(VI)O(II),  C(II)O(II),  S(VI)O(II),  Fe(II)O(II),  H(I)Cl(I),  Cl(VII)O(II),  P(III)H(I),  P(V)O(II),  N(IV)O(II)

2) BaH2,  SiH4,  H2Se,  HI,  AsH3

2 вариант:

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(III)O(II),  Cr(III)O(II)

2) CO2, SO3, Na2O, Cl2O5, B2O3