Polyatomic Ions

AP Chem

Li⁺

lithium

Na⁺

Sodium

K⁺

potassium

Rb⁺

rubidium

Cs⁺

cesium

Fr⁺

francium

NH₄⁺

ammonium

Cu⁺

copper (I)

H⁺

hydrogen

H₃O⁺

hydronium

Ag⁺

silver

Be²⁺

Beryllium

Mg²⁺

magnesium

Ca²⁺

calcium

Sr²⁺

strontium

Ba2+

barium

Ra²⁺

radium

Cd²⁺

cadmium

Cr²⁺

chromium (II)

Co²⁺

cobalt (II)

Cu²⁺

copper (II)

Fe²⁺

iron (II)

Pb²⁺

lead (II)

Mn²⁺

manganese (II)

Hg²⁺

mercury (II)

Hg₂²⁺

mercury (I)

Ni²⁺

nickel (II)

Sn²⁺

tin (II)

Zn²⁺

zine

Al³⁺

aluminum

Ga³⁺

galfrum (III)

Bi³⁺

bismuth (III)

Cr³⁺

chromium (III)

Co³⁺

cobalt (III)

Fe³⁺

iron (III)

Mn³⁺

manganese (III)

Ni³⁺

nickel (III)

Si⁴⁺

silicon (IV)

Ge⁴⁺

germanium (IV)

Sn⁴⁺

tin (IV)

Pb⁴⁺

lead (IV)

As⁵⁺

arsenic (V)

Bi⁵⁺

bismuth (V)

F^-

fluoride

Cl^-

chloride

Br^-

bromide

I^-

iodide

C₂H₃O₂^- (CH₃COO^-)

acetate

CN^-

cyanide

H^-

hydride

OH^-

hydroxide

NO₃^-

nitrate

NO₂^-

nitrite

MnO₄^-

permanganate

ClO₄^-

perchlorate

ClO₃^-

chlorate

ClO₂^-

chlorite

ClO^-

hypochlorite

BrO₃^-

bromate

BrO₂^-

bromite

BrO^-

hypobromite

IO₃^-

iodate

IO₂^-

iodite

IO^-

hypoiodite

HCO₃^-

hydrogen carbonate (bicarbonate)

HSO₄^-

hydrogen sulfate (bisulfate)

HSO₃^-

hydrogen sulfite (bisulfite)

H₂PO₄^-

dihydrogen phosphate

O^2-

oxide

S^2-

sulfide

Se^2-

selenide

CO₃^2-

carbonate

CrO₄^2-

chromate

Cr₂O₇^2-

dichromate

C₂O₄^2-

oxalate

O₂^2-

peroxide

SiO₃^2-

silicate

SO₄^2-

sulfate

SO₃^2-

sulfite

HPO₄^2-

hydrogen phosphate

N^3-

nitride

P^3-

phosphide

PO₄^3-

phosphate

PO₃^3-

phosphite

ASO₄^3-

arsenate

C^4-

carbide