Polyatomic Ions and Metal Cations

BO₃ ³⁻

borate

NO₂ ⁻

nitrite

NO₃ ⁻

nitrate

CrO₄ ²⁻

chromate

Cr₂O₇ ²⁻

dichromate

MnO₄ ⁻

permanganate

MnO₃ ⁻

manganate

O₂ ²⁻

peroxide

O₂ ⁻

superoxide

CO₃ ²⁻

carbonate

HCO₃ ⁻

hydrogen carbonate

(aka bicarbonate)

SO₄ ²⁻

sulfate

SO₃ ²⁻

sulfite

HSO₃ ⁻

hydrogen sulfite

(aka bisulfite)

HSO₄ ⁻

hydrogen sulfate

(aka bisulfate)

S₂O₃ ²⁻

thiosulfate

HS⁻

hydrogen sulfide

NH₄ ⁺

ammonium

PO₄ ³⁻

phosphate

PO₃ ³⁻

phosphite

HPO₄ ²⁻

hydrogen phosphate

(aka biphosphate)

H₂PO₄ ⁻

dihydrogen phosphate

ClO₄ ⁻

perchlorate

ClO₃ ⁻

chlorate

ClO₂ ⁻

chlorite

ClO ⁻ or OCl⁻

hypochlorite

IO₄ ⁻

periodate

IO₃ ⁻

iodate

IO₂ ⁻

iodite

IO ⁻ or OI ⁻

hypoiodite

BrO₃ ⁻

bromate

BrO₄ ⁻

perbromate

BrO₂ ⁻

bromite

BrO ⁻ or OBr ⁻

hypobromite

C₂H₃O₂ ⁻ or CH₃COO ⁻

acetate

CN ⁻

cyanide

OCN ⁻

cyanate

SCN ⁻

thiocyanate

C₂O₄ ²⁻

oxalate

H₃O ⁺

hydronium

OH ⁻

hydroxide

NH₂ ⁻

amide

N₃ ⁻

azide

AsO₄³⁻

arsenate

AsO₃³⁻

arsenite

common charges for chromium

Cr²⁺ = chromium(II) = chromous

Cr³⁺ = chromium(III) = chromic

common charges for manganese

Mn²⁺ = manganese(II) = manganous

Mn³⁺ = manganese(III) = manganic

Mn⁴⁺ = manganese(IV)

Mn⁷⁺ = manganese(VII)

common charges for iron

Fe²⁺ = iron(II) = ferrous

Fe³⁺ = iron(III) = ferric

common charges for cobalt

Co²⁺ = cobalt(II) = cobaltous

Co³⁺ = cobalt(III) = cobaltic

common charges for copper

Cu⁺ = copper(I) = cuprous

Cu²⁺ = copper(II) = cupric

common charges for lead

Pb²⁺ = lead(II) = plumbous

Pb⁴⁺ = lead(IV) = plumbic

common charges for mercury

Hg₂²⁺ = mercury(I) = mercurous

Hg²⁺ = mercury(II) = mercuric

common charges for tin

Sn²⁺ = tin(II) = stannous

Sn⁴⁺ = tin(II) = stannic

common charges for gold

Au⁺ = gold(I) = aurous

Au³⁺ = gold(III) = auric

common charges for bismuth

Bi³⁺ = bismuth(III) = bismuthous

Bi⁵⁺ = bismuth(V) = bismouthic

common charges for antimony

Sb³⁺ = antimony(III) = antimonous

Sb⁵⁺ = antimony(V) = antimonic

common charges for nickel

Ni²⁺ = nickel(II) = nickelous

Ni³⁺ = nickel(III) = nickelic

common charges for cadmiun

Cd²⁺

common charges for zinc

Zn²⁺

common charges for silver

Ag⁺