Multiple Charges, Polyatomic Ions

Chem study guide for atoms with multiple charges and polyatomic ions

Lesser Charge

-ous

Greater Charge

-ic

Tin

Sn²⁺

Sn⁴⁺

Chromium

Cr²⁺

Cr³⁺

Cobalt

Co²⁺

Co³⁺

Copper

Cu⁺

Cu²⁺

Iron

Fe²⁺

Fe³⁺

Lead

Pb²⁺

Pb⁴⁺

Manganese

Mn²⁺

Mn³⁺

Mercury

Hg₂²⁺

Hg²⁺

Monatomic Cations (1+)

Hydrogen

Lithium

Sodium

Potassium

Rubidium

Cesium

Silver

Monatomic Cations (2+)

Magnesium

Calcium

Strontium

Barium

Zinc

Cadmium

Monatomic Cations (3+)

Aluminum

Bismuth

Monatomic Anions (1-)

Hydride

Fluoride

Chloride

Bromide

Iodide

Monatomic Anions (2-)

Oxide

Sulfide

Monatomic Anions (3-)

Nitride

Phosphide

Monatomic Anions (4-)

Carbide

Carbide

C^4-

C₂^2-

Diatomic Molecules

Hydrogen

Nitrogen

Fluoride

Oxygen

Iodine

Chlorine

Bromine

Ammonium

NH₄⁺

Hydronium

H₃O⁺

Peroxide

O₂^2-

Hydroxide

OH^-

Acetate

CH₃COO^-

C₂H₃O₂^-

Cyanide

CN^-

Carbonate

CO₃^2-

Hydrogen Carbonate

Bicarbonate

HCO₃^-

Nitrate

NO₃^-

Nitrite

NO₂^-

Sulfate

SO₄^2-

Hydrogen Sulfate

Bisulfate

HSO₄^-

Sulfite

SO₃^2-

Hydrogen Sulfite

Bisulfite

HSO₃^-

Phosphate

PO₄^3-

Hydrogen Phosphate

HPO₄^2-

Dihydrogen Phosphate

H₂PO₄^-

Perchlorate

ClO₄^-

Chlorate

ClO₃^-

Chlorite

ClO₂^-

Hypochlorite

ClO^-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Permanganate

MnO₄^-

Oxalate

C₂O₄^2-

Phosphite

PO₃^3-

Thiosulfate

S₂O₃^2-

Arsenate

AsO₄^3-

Borate

BO₃^3-

Silicate

SiO₃^2-

Formate

CHO₂^-