PolyAtomic Ion List
© This list was created by Mr. David L Scott and is protected by copyright law, use with permission only.
1+
ammonium
+
………………………………..……NH4
1acetate ……………………..………..…… C2H3O2amide …………………………………..……… NH2azide ………………………………………...…… N3benzoate …………………………....…… C7H5O2bitartrate …………………...………..… HC4H4O6bromate ………………………...……..…..… BrO3hypochlorite …………………………….…… ClOchlorite ………………………………..……… ClO2chlorate ……………………………..…..…… ClO3perchlorate………………………….…..…… ClO4cyanide …………………………..……..……… CNcyanate …………...….(alternately NCO- ).. OCNfulminate ……………………………………… CNOhydrogen carbonate (bicarbonate) …… HCO3hydrogen sulfate (bisulfate) …..…..….… HSO4hydrogen sulfite (bisulfite) …………….… HSO3hydrogen sulfide (bisulfide) …………….... HShydrogen oxalate (bioxalate)…..….… HC2O4hydroxide …………………………...………… OHhydrazide …………………..………..……… N2H3iodate ………………………………….…..…… IO3triiodide ……………………………….…..……… I3metavanadate……………………..………… VO3nitrate ………………………………….……… NO3nitrite ……………………………………...…… NO2perbromate ………………………………… BrO4permanganate ………………….……...… MnO4dihydrogen phosphate
(monobasic phosphate) …………….. H2PO4
thiocyanate …………………..…………..… SCNuranate …………………………………..…… UO4-
This is NOT a complete list of all ions.
2carbonate ……………………..………..…… CO32chromate …………………………..……… CrO42dichromate ……….………………...……… Cr2O72disulfate (pyrosulfate) …………….……..… S2O72monohydrogen phosphate
2(dibasic phosphate) …….…..….HPO4
manganate …………………..……..……… MnO42metasilicate ………………………..………… SiO32oxalate …………………..…………….……… C2O42peroxide …………………..……………...……… O22selenate …………………..…………..……… SeO42selenite …………………..………..…..……… SeO32sulfate …………………..…………..…..……… SO42sulfite …………………..………………..……… SO32thiosulfate ……………………...……..……… S2O32tartrate …………………..……..…….…… C4H4O62tetraborate …………………..……....……… B4O72-
3(all are of the ortho form)
aluminate …………………….……..…...… AlO33arsenate …………………………...………… AsO43arsenite ……………………..………...……… AsO33borate ……………………………..…....……… BO33citrate …………………...………..…..…… C6H5O73ferricyanide ………………....……..…… Fe(CN)63phosphate (tribasic phosphate) ……….… PO43phosphite …………………………..…….…… PO33-
4ferrocyanide …………….……………. Fe(CN)64silicate (ortho) …………………..………… SiO44Revised Jan. 2008