Common Ions - Full list

ammonium

NH₄⁺

copper(I)

Cu⁺

copper(II)

Cu²⁺

iron(II)

Fe²⁺

iron(III)

Fe³⁺

lead(II)

Pb²⁺

lead(IV)

Pb⁴⁺

acetate

C₂H₃O₂⁻

carbonate

CO₃²⁻

hydrogen carbonate

HCO₃⁻

chlorate

ClO₃⁻

hydroxide

OH⁻

nitrate

NO₃⁻

phosphate

PO₄³⁻

sulfate

SO₄²⁻

permanganate

MnO₄⁻

aluminum

Al³⁺

barium

Ba²⁺

cadmium

Cd²⁺

calcium

Ca²⁺

chromium(III)

Cr³⁺

cobalt(II)

Co²⁺

lithium

Li⁺

magnesium

Mg²⁺

mercury(I)

Hg₂²⁺

mercury(II)

Hg²⁺

nickel(II)

Ni²⁺

potassium

K⁺

silver

Ag⁺

sodium

Na⁺

strontium

Sr²⁺

zinc

Zn²⁺

bromide

Br⁻

chloride

Cl⁻

hypochlorite

ClO⁻

chlorite

ClO₂⁻

perchlorate

ClO₄⁻

chromate

CrO₄²⁻

cyanide

CN⁻

dichromate

Cr₂O₇²⁻

fluoride

F⁻

iodide

I⁻

nitrite

NO₂⁻

oxide

O²⁻

sulfite

SO₃²⁻

sulfide

S²⁻

cesium

Cs⁺

beryllium

Be²⁺

hydrogen sulfate

HSO₄⁻

oxalate

C₂O₄²⁻

peroxide

O₂²⁻

tartrate

C₄H₄O₆²⁻

phosphide

P³⁻

phosphite

PO₃³⁻

nitride

N³⁻

hydrogen sulfide

HS⁻

ate

one more O than the charge (one more than ite)

ite

same amount of Os as charge

per

more oxygen, same charge

hypo

less oxygen, same charge

hydrogen

adds a H+ to the formula, charge becomes less negative