Halogens (Group 7A)

F-Fluoride

Cl- Chloride

Br- Bromide

I-Iodide

Acid Anions

HCO3- Hydrogen carbonatea HS- Hydrogen sulfide

HSO4- Hydrogen sulfate

HSO3- Hydrogen sulfite

H2PO4- Dihydrogen phosphate Other Anions

SCN Thiocyanate

CN- Cyanide

H- Hydride

Oxyanions

ClO4-Perchlorate ClO3- Chlorate

ClO2- Chlorite

ClO- Hypochlorite BrO3- Bromate

BrO2- Bromite

BrO- Hypobromite IO4-Periodate

IO3-Iodate

NO3- Nitrate

NO2- Nitrite

OH- Hydroxide

C2H3O2- Acetate

MnO4-Permanganate

Group 6A

O-2 Oxide

S-2 Sulfide

Oxyanions

CO3-2 Carbonate

SO4-2 Sulfate

SO3-2 Sulfite

C2O4-2 Oxalate

CrO4-2 Chromate

Cr2O7-2 Dichromate

Acid Anion

HPO4-2 Hydrogen Phosphate Diatomic Elemental

O2-2 Peroxide

Alkali Metals (Group 1A)

Li+Lithium

Na+Sodium

K+Potassium

Rb+ Rubidium

Cs+ Cesium

Transition Elements

Cu+ Copper(I)

Ag+Silver

Polyatomic Ions

NH4+ Ammonium

Others

H+ Hydrogen

H3O+ Hydroniuma

Alkaline Earths (Group 2A)

Be+2 Beryllium

Mg+2 Magnesium

Ca+2 Calcium

Sr+2 Strontium

Ba+2 Barium

Transition Elements

Cr+2 Chromium(II)

Mn+2 Manganese(II)

Fe+2 Iron(II)

Co+2 Cobalt(II)

Ni+2 Nickel

Cu+2 Copper(II)

Zn+2 Zinc

Cd+2 Cadmium

Hg2+2 Mercury(I)b

Hg+2 Mercury(II)

Others

Sn+2 Tin(II)

Pb+2 Lead(II)

Group 3A

Al+3 Aluminum

Ga+3 Gallium

Transition Elements

Cr-+3 Chromium(III) Mn+3 Manganese(III) Fe+3 Iron(III)

Co+3 Cobalt(III)