Name

Formula and Charge

Name

Formula and Charge

Aluminum

Al³⁺

Lead (II), plumbous

Pb²⁺

Ammonium

NH₄⁺

Lead (IV), plumbic

Pb⁴⁺

Barium

Ba²⁺

Lithium

Li⁺

Calcium

Ca²⁺

Magnesium

Mg²⁺

Chromium (II), chromous

Cr²⁺

Manganese (II), manganous

Mn²⁺

Chromium (III), chromic

Cr³⁺

Manganese (III), manganic

Mn³⁺

Chromium (VI), perchromic

Cr⁶⁺

Mercury (I), mercurous

Hg₂²⁺

Copper (I), cuprous

Cu⁺

Mercury (II), mercuric

Hg²⁺

Copper (II), cupric

Cu²⁺

Potassium

K⁺

Gold (I), aurous

Au⁺

Silver

Ag⁺

Gold (II), auric

Au²⁺

Sodium

Na⁺

Hydrogen

H⁺

Tin (II), stannous

Sn²⁺

Iron (II), ferrous

Fe²⁺

Tin (IV), stannic

Sn⁴⁺

Iron (III), ferric

Fe³⁺

Zinc

Zn²⁺

Names and Charges of Some Negative Ions

bromide

Br^-

nitride

N^3-

chloride

Cl^-

oxide

O^2-

fluoride

F^-

sulfide

S^2-

iodide

I^-

Names and Charges of Some Polyatomic Ions

acetate

C₂H₂O₂^-

hypoiodate

IO^-

ammonium

NH₄⁺

iodate

IO₃^-

bromate

BrO₃^-

nitrate

NO₃^-

bromite

BrO₂^-

nitrite

NO₂^-

carbonate

CO₃^2-

perchlorate

ClO₄^-

chlorate

Cl0₃^-

periodate

IO₄^-

chlorite

Cl0₂^-

phosphate

PO₄^2-

cyanide

CN^-

selenate

SeO₄^2-

hydroxide

OH^-

selenide

Se₂^-

hypobromite

BrO^-

sulfate

SO₄^2-

hypochlorite

ClO^-

sulfite

SO₃^2-