October 2018 2 439 Report

2. Podaj nazwy tlenków, określ wartościowość pierwiastków w tych tlenkach.

Cr2O3, CrO3, Cu2O, CuO, Fe2O3, N2O5, FeO, SrO, Li2O, NiO, Ni2O3, SnO, PbO2, PbO, So2, SO3, N2O, NO, Cl2O7, Bi2O5, SiO2, Ag2O, As2O3, As2O5, MnO2


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