Mis(I) - oksidini aniqlang, CuO, Cu2O2, Cu2O, Cu2O3, K (I) va O (II) valentli? larini bilgan holda oksidini aniqlang, KO2, K2O3, K2O2, K2O, FeO da Fe necha valentli, I, II, III, IV, Al2O3 da Al ni nacha valentli, I, III, II, IV, Ozonning kimyoviy formulasi qanday?, O2, O3, O4, O

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