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Br₂O < PbO₂< As₂O₃ < SnO₂ < Na₂S < LiBr < AlF₃
2.
CaO < ZnO < Ga₂O₃ < GeO₂ < SeO₂
3.
I₂O₅ < SnO₂< Ag₂O < SrO₂??(chyba SrO !!!) < Rb₂O
4.
niepolarne H₂, N₂, Br₂
polarne reszta
5.
a) Cl₂ < HI < HBr < HCl
b) H₂ < H₂Se < H₂S < H₂O
c) PH₃ < SiH₄ < H₂S < HCl
6.
a)Br w HBr, C w CH₄, O w CO₂, N w NH₃, O w P₂O₅
b) O w SiO₂, H w SiH₄, O w N₂O₃, H w PH₃, I w HI