hydrogen sulfide, HS- telluride, Te2- (bisulfide) tartrate, C4H4O62- hydrogen sulfate, HSO4- thiosulfate, S2O32- (bisulfate) hydrogen sulfite, HSO3- (bisulfite) hydroxide, hypochlorite, ClO- iodate, IO3- iodide, I- nitrate, NO3- nitrite, NO2- perchlorate, ClO4- periodate, IO4- permanganate, MnO4- thiocyanate, SCN- Positive Ions Grouping 1 Grouping 2 aluminum hydronium ammonium iron (II) antimony (III) iron (III) antimony (V) lead (II) barium lead (IV) beryllium lithium bismuth (III) magnesium bismuth (V) manganese (II) cadmium (II) manganese (III) calcium mercury (I) carbon mercury (II) cesium nickel (II) chromium (II) nickel (III) chromium (III) potassium chromium (VI) rubidium cobalt (II) silicon cobalt (III) silver copper (I) sodium copper (II) strontium gallium tin (II) gold (I) tin (IV) gold (III) zinc Negative Ions Grouping 1 Grouping 2 bromide carbide bromate carbonate hydrogen carbonate (bicarbonate) fluoride hydride sulfide hydrogen sulfide iodide sulfite iodate hydrogen sulfite periodate sulfate hydrogen sulfate cyanide thiosulfate thiocyanate selenide hydroxide telluride
hydrogen sulfide, HS- (bisulfide) hydrogen sulfate, HSO4- (bisulfate) hydrogen sulfite, HSO3- (bisulfite) hydroxide, hypochlorite, ClO- iodate, IO3- iodide, I- nitrate, NO3- nitrite, NO2- perchlorate, ClO4- periodate, IO4- permanganate, MnO4- thiocyanate, SCN- telluride, Te2- tartrate, C4H4O62- thiosulfate, S2O32- Positive Ions Grouping 1 Grouping 2 aluminum ammonium antimony (III) antimony (V) barium beryllium bismuth (III) bismuth (V) cadmium (II) calcium carbon cesium chromium (II) chromium (III) chromium (VI) cobalt (II) cobalt (III) copper (I) copper (II) gallium gold (I) gold (III) hydronium iron (II) iron (III) lead (II) lead (IV) lithium magnesium manganese (II) manganese (III) mercury (I) mercury (II) nickel (II) nickel (III) potassium rubidium silicon silver sodium strontium tin (II) tin (IV) zinc Negative Ions Grouping 1 Grouping 2 bromide bromate fluoride hydride iodide iodate periodate cyanide thiocyanate hydroxide carbide carbonate hydrogen carbonate (bicarbonate) sulfide hydrogen sulfide sulfite hydrogen sulfite sulfate hydrogen sulfate thiosulfate selenide telluride