List of retained names of inorganic oxoanions

Retained name	Formula	Additive name
Arsonite	AsHO22−	hydridodioxidoarsenate(2−)
Arsonate	AsHO32−	hydridotrioxidoarsenate(2−)
Arsinite	AsH2O−	dihydridooxidoarsenate(1−)
Arsinate	AsH2O2−	dihydridodioxidoarsenate(1−)
Arsenite Arsorite	AsO33−	trioxidoarsenate(3−)
Arsenate Arsorate	AsO43−	tetraoxidoarsenate(3−)
Metaborate	(BO2−)n	catena-poly[(oxidoborate-µ-oxido)(1−)]
Borate	BO33−	trioxidoborate(3−)
Hypobromite	BrO−	oxidobromate(1−)
Bromite	BrO2−	dioxidobromate(1−)
Bromate	BrO3−	trioxidobromate(1−)
Perbromate	BrO4−	tetraoxidobromate(1−)
Hydrogencarbonate	HCO3−	hydroxidodioxidocarbonate(1−)
Carbonate	CO32−	trioxidocarbonate(2−)
Hypochlorite	ClO−	oxidochlorate(1−)
Chlorite	ClO2−	dioxidochlorate(1−)
Chlorate	ClO3−	trioxidochlorate(1−)
Perchlorate	ClO4−	tetraoxidochlorate(1−)
Chromate	CrO42−	tetraoxidochromate(2−)
Dichromate	Cr2O72−	µ-oxido-bis(trioxidochromate)(2−)
Phosphonate	PHO32−	hydridotrioxidophosphate(2−)
Hydrogenphosphite	HPO32−	hydroxidodioxidophosphate(2−)
Hydrogensulfite	HSO3−	hydroxidodioxidosulfate(1−)
Hydrogenphosphate	HPO42−	hydroxidotriioxidophosphate(2−)
Hydrogensulfate	HSO4−	hydroxidotrioxidosulfate(1−)
Phosphinate	PH2O2−	dihydridodioxidophosphate(1−)
Dihydrogenborate	H2BO3−	dihydroxidooxidoborate(1−)
Hydrogenphosphonate	PH2O3−	hydridohydroxidodioxidophosphate(1−)
Dihydrogenphosphite	H2PO3−	dihydroxidooxidophosphate(1−)
Dihydrogenphosphate	H2PO4−	dihydroxidodioxidophosphate(1−)
Diphosphonate	P2H2O32−	µ-oxido-bis(hydridodioxidophosphate)(2−)
Hypoiodite	IO−	oxidoiodate(1−)
Iodite	IO2−	dioxidoiodate(1−)
Iodate	IO3−	trioxidoiodate(1−)
Periodate	IO4−	tetraoxidoiodate(1−)
Orthoperiodate	IO65−	hexaoxidoiodate(5−)
Permanganate	MnO4−	tetraoxidomanganate(1−)
Manganate(VI)	MnO42−	tetraoxidomanganate(2−)
Manganate(V)	MnO43−	tetraoxidomanganate(3−)
Nitrite	NO2−	dioxidonitrate(1−)
Nitrate	NO3−	trioxidonitrate(1−)
Peroxynitrite	NO3−	oxidoperoxidonitrate(1−)
Peroxynitrate	NO4−	dioxidoperoxidonitrate(1−)
Phosphite	PO33−	trioxidophosphate(3−)
Metaphosphate	(PO3−)n	catena-poly[(dioxidophosphate-µ-oxido)(1−)]
Phosphate	PO43−	tetraoxidophosphate(3−)
Peroxyphosphate	PO53−	trioxidoperoxidophosphate(3−)
Hypodiphosphate	P2O64−	bis(trioxidophosphate)(P—P)(4−)
Diphosphate	P2O74−	µ-oxido-bis(trioxidophosphate)(4−)
Peroxydiphosphate	P2O84−	µ-peroxido-bis(trioxidophosphate)(4−)
Sulfite	SO32−	trioxidosulfate(2−)
Sulfate	SO42−	tetraoxidosulfate(2−)
Peroxysulfate	SO52−	trioxidoperoxidosulfate(2−)
Thiosulfate	S2O32−	trioxido-1κ3O-disulfate(S—S)(2−)
Dithionite	S2O42−	bis(dioxidosulfate)(S—S)(2−)
Dithionate	S2O62−	bis(trioxidosulfate)(S—S)(2−)
Disulfate	S2O72−	µ-oxido-bis(trioxidosulfate)(2−)
Peroxydisulfate	S2O82−	µ-peroxido-1κO,2κO'-bis(trioxidosulfate)(2−)
Tetrathionate	S4O62−	bis[(trioxidosulfate)sulfate](S—S)(2−)
Selenite	SeO32−	trioxidoselenate(2−)
Selenate	SeO42−	tetraoxidoselenate(2−)
Metasilicate	(SiO32−)n	catena-poly[(dioxidosilicate-µ-oxido)(2−)]
Silicate	SiO44−	tetraoxidosilicate(4−)
Disilicate	Si2O76−	µ-oxido-bis(trioxidosilicate)(6−)
Tellurate	TeO42−	tetraoxidotellurate(2−)
Orthotellurate	TeO66−	hexaoxidotellurate(6−)