Na.....(I).....Na2O......NaOH Cs.....(I).....Cs2O......CsOH Li......(I).....Li2O......LiOH Sr.....(II)....SrO.......Sr(OH)2 Mg.....(II)....MgO.......Mg(OH)2 Ba.....(II).....BaO.......Ba(OH)2 Cr......(III)....Cr2O3....Cr(OH)3 Fe.....(III)....Fe2O3....Fe(OH)3 Pb.....(IV).....PbO2.....Pb(OH)4
symbol metalu Wartościowość...: wz. Tlenku wz. wodorotlenku Na 1 Na2O NaOH Cs 1 Cs2O CsOH Li 1 Li2O LiOH Sr 2 SrO Sr(OH)2 Mg 2 MgO Mg(OH)2 Ba 2 BaO Ba(OH)2 Cr 3 Cr2O3 Cr(OH)3 Fe 3 Fe2O3 Fe(OH)3 Pb 4 PbO2 Pb(OH)4