Выполните 3 а также 5 вопрос ​

Объяснение:

3) MgO, Na2O, Li2O, K2O, FeO, Fe2O3, P2O5, N2O5, Mn2O3

4) NH3 - N(III)H(I),    PH3 - P(III)H(I),   HCl- H(I)Cl(I),   SiH4 -  Si(IV)H(I),  H2S - H(I)S(II)

5) Zn(II)S(II),   Cu(I)S(II),  Al(III)S(II),  Sn(IV)S(II),  P(V)S(II),  Hg(II)O(II),  K(I)S(II),  B(III)O(II),  Zn(II)O(II),  Mn(IV)O(II),  Ni(II)O(II),  Cu(I)O(II),  Sn(IV)O(II),  Ni(III)O(II),  

S(IV)O(II),  As(V)O(II),  Cl(VII)O(II)