← AP Chemistry Common Ion Chart (Anions) Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All acetate C2H3O2 - arsenate AsO4 3- arsenite AsO3 3- borate BO3 3- bromate BrO3 - bromide Br- bromite BrO2 - carbonate CO3 2- chlorate ClO3 - chloride Cl- chlorite ClO2 - chromate CrO4 2- cyanate CNO- cyanide CN- dichromate Cr2O7 2- dihydrogen phosphate H2PO4 - fluoride F- hydride H- hydrogen carbonate [bicarbonate] HCO3 - hydrogen oxalate [bioxalate] HC2O4 - hydrogen phosphate [biphosphate] HPO4 2- hydrogen sulfate [bisulfate] HSO4 - hydrogen sulfide [bisulfide] HS- hydrogen sulfite [bisulfite] HSO3 - hydroxide OH- hypobromite BrO- hypochlorite ClO- hypoiodite IO- iodate IO3 - iodide I- iodite IO2 - molybdate MoO4 2- nitrate NO3 - nitride N 3- nitrite NO2 - oxalate C2O4 2- oxide O 2- perbromate BrO4 - perchlorate ClO4 - periodate IO4 - permanganate MnO4 - peroxide O2 2- phosphate PO4 3- phosphide P 3- phosphite PO3 3- selenate SeO4 2- selenide Se 2- silicate SiO3 2- sulfate SO4 2- sulfide S 2- sulfite SO3 2- tellurate TeO4 2- telluride Te 2- thiocyanate SCN- thiosulfate S2O3 2- tungstate WO4 2-