oxoanions, parent acids, polyatomic ions

CO₃²⁻

Carbonate ion

NO₂⁻

nitrite ion

NO₃⁻

nitrate ion

PO₄³⁻

phosphate ion

SO₃²⁻

sulfite ion

SO₄²⁻

sulfate ion

ClO⁻

hypochlorite ion

ClO₂⁻

chlorite ion

ClO₃⁻

chlorate ion

ClO₄⁻

perchlorate ion

HCOO⁻

formate

CH₃COO⁻

acetate

H₂CO₃

carbonic acid

HNO₂

nitrous acid

HNO₃

nitric acid

H₃PO₄

phosphoric acid

H₂SO₃

sulfurous acid

H₂SO₄

sulfuric acid

HOCl

hypochlorous acid

HClO₂

chlorous acid

HClO₃

chloric acid

HClO₄

perchloric acid

HCOOH

formic acid

CH₃COOH

acetic acid

CO₃²⁻/carbonate

H₂CO₃/carbonic acid is the parent acid to

NO₂⁻/nitrite

HNO₂/nitrous acid is the parent acid to

NO₃⁻/nitrate

HNO₃/nitric acid is the parent to

PO₄³⁻/phosphate

H₃PO₄/phosphoric is the parent acid to

SO₃²⁻/sulfite

H₂SO₃/sulfurous is the parent acid to

SO₄²⁻/sulfate

H₂SO₄/sulfuric is the parent acid to

ClO⁻/hypochlorite ion

HOCl/hypochlorous is the parent acid to

ClO₂⁻/chlorite

HClO₂/chlorous is the parent acid to

ClO₃⁻/chlorate

HClO₃/chloric acid is the parent acid to

ClO₄⁻/perchlorate

HClO₄/perchloric is the parent acid to

HCOO⁻/formate

HCOOH/formic acid is the parent acid to

CH₃COO⁻/acetate

CH₃COOH/acetic is the parent acid to

NH₄⁺

ammonium

O₂²⁻

peroxide

Hg₂²⁺

Mercury (I)

O₂⁻

superoxide

Cr₂O₇²⁻

dichromate

O₃⁻

ozonide

MnO₄⁻

Permanganate

S₂O₃^-2

thiosulfate

OH^-

hydroxide

CN^-

cyanide

C₂^-2

Carbide

OCN^-

cyanate

N₃^-3

azide

SCN^-

thiocyanate