Element Symbols and Common Ions

Hydrogen (H) common charge

(+1) or (-1)

Helium (He) common charge

none

Lithium (Li) common charge

(+1)

Beryllium (Be) common charge

mostly covalent

Boron (B) common charge

mostly covalent

Carbon (C)common charge

mostly f covalent

Nitrogen (N) common charge

(-3) or covalent bonds

Oxygen (O) common charge

(-2) covalent

Fluorine (F) common charge

(-1) polar covalent

Neon (Ne) common charge

none

Na (sodium) common charge

(+1)

Magnesium (Mg) common charge

(+2)

Aluminum (Al) common charge

(+3) or covalent

Silicon (Si) common charge

Covalent

P (phosphorus) common charge

(-3) covalent

S (sulfur) common charge

(-2)

Cl (Chlorine) common charge

(-1) polar covalent

(Ar) Argon common charge

none

Potassium (K) common charge

(+1)

Calcium (Ca) common charge

+2)

Titanium (Ti) common charge

(3+, 4+)

Chromium (Cr) common charge

(2+, 3+, 6+)

Maganese (Mn) common charge

(2+, 4+, 7+)

Iron (Fe) common charge

(2+, 3+)

Cobalt (Co) common charge

(2+, 3+)

Nicket (Ni) common charge

2+

Copper (Cu) common charge

(1+, 2+)

Zinc (Zn) common charge

2+

Arsenic (As) common charge

(3-, 3+, 5+)

Selenium (Se) common charge

(2-, 4+, 6+)

Bromine (Br) common charge

(-1)

Mercury (Hg) common charge

(1+, 2+)

Pb (Lead) common charge

(2+, 4+)

Bismuth (Bi) common charge

3+

Radon (Rn) common charge

none

Francium (Fr) common charge

(+1)

Krypton common charge (Kr)

none

Rubidium (Rb) common charge

(+1)

Strontium (Sr) common charge

(+2)

Palladium (Pd) common charge

(2+, 4+)

Silver (Ag) common charge

1+

Cadmium (Cd) common charge

2+

Tin (Sn) common charge

(2+, 4+)

Iodine (I) common charge

(-1)

Xe (Xenon) common charge

none

Cs (Cesium) common charge

(+1)

Ba (Barium) common charge

(+2)

Pt (Platinum) common charge

(2+, 4+, 6+)

Gold (Au) common charge

(1+, 2+, 3+)

Li^+ cation

lithium ion

Na^+ cation

sodium ion

K^+ cation

potassium ion

NH4^+ cation

ammonium ion

Ag^+ cation

Silver ion

Au^+ cation

gold ion

Mg²+ cation

magnesium ion

Ca²+ cation

calcium ion

Ba²+

barium ion

Cd²+

cadmium ion

Zn²+

zinc ion

Cu^+

copper (I) ion

Cu²+

copper (II) ion

Hg2²+

mercury (I) ion

Hg²+

mercury (II) ion

Mn²+

maganese (II) ion

Co²+

cobalt (II) ion

Ni²+

nickel (II) ion

C2O4²-

oxalate ion

Pb²+

lead (II) ion

Pb^4+

lead (IV) ion

Fe²+

iron (II) ion (ferrous)

Fe³+

iron (III) ion (ferric)

Sn²+

tin (II) ion

Sn^4+

tin (IV) ion

Al³+

aluminum ion

Cr³+

chromium (III) ion

Cr^+

chromium (VI) ion

F^-

fluoride ion

Cl^-

chloride ion

Br^-

bromide ion

I^-

iodide ion

OH^-

hydroxide ion

CN^-

cyanide ion

ClO^-

hypochlorite

ClO2^-

chlorite ion

ClO3-

chlorate ion

ClO4-

perchlorate

CH3COO- or C2H3O2

acetate ion

O²-

oxide ion

MnO4-

permanganate

NO2-

nitrite ion

NO3-

nitrate ion

SCN^-

thiocyanate

AsO43-

arsenate ion

PO43-

phosphate ion

HPO4^2-

Hydrogen phosphate

H2PO4-

dihydrogen phosphate

HSO3^-

bisulfite ion or hydrogen sulfite

SO3²-

sulfite ion

O2²-

peroxide