Chemistry: Ion Reference Table

Chemistry: Ion Reference Table Positive Ions Cations

1+	2+	3+	4+
Ammonium NH₄⁺ Cesium Cs⁺ Copper(I) Cu⁺ Gold(I) Au⁺ Hydrogen H⁺ Lithium Li⁺ Potassium K⁺ Rubidium Rb⁺ Silver Ag⁺ Sodium Na⁺	Barium Ba²⁺ Beryllium Be²⁺ Cadmium (II)Cd²⁺ Calcium Ca²⁺ Chromium(II) Cr²⁺ Cobalt(II) Co²⁺ Copper(II) Cu²⁺ Iron(II) Fe²⁺ Lead(II) Pb²⁺ Magnesium Mg²⁺ Manganese(II) Mn²⁺ Mercury(I) Hg₂²⁺ Mercury(II) Hg²⁺ Nickel(II) Ni²⁺ Strontium Sr²⁺ Tin(II) Sn²⁺ Zinc Zn²⁺	Aluminum Al³⁺ Antimony(III) Sb³⁺ Bismuth(III) Bi³⁺ Chromium(III) Cr³⁺ Cobalt(III) Co³⁺ Gallium Ga³⁺ Gold(III) Au³⁺ Manganese Mn³⁺ Nickel(III) Ni³⁺ Iron(III) Fe³⁺	Carbon C⁴⁺ Lead(IV) Pb⁴⁺ Silicon Si⁴⁺ Tin(IV) Sn⁴⁺
			5+
			Antimony(V) Sb⁵⁺ Bismuth(V) Bi⁵⁺

Negative Ions Anions

-1

-2

-3

-4

Acetate CH₃COO^-

Bromide Br^-

Chlorate ClO₃^-

Chloride Cl^-

Chlorite ClO₂^-

Cyanide CN^-

Dihydrogen phosphate H₂PO₄^-

Fluoride F^-

Hydride H^-

Hydrogen carbonate (bicarbonate) HCO₃^-

Hydrogen sulfate (bisulfate) HSO₄^-

Hydrogen sulfide

(bisulfide) HS^-

Hydrogen sulfite (bisulfite) HSO₃^-

Hydroxide OH^-

Hypochlorite OCl^-

Iodate IO₃^-

Iodide I^-

Nitrate NO₃^-

Nitrite NO₂^-

Perchlorate ClO₄^-

Permanganate MnO₄^-

Thiocyanate SCN^-

Carbonate CO₃^2-

Chromate CrO₄^2-

Dichromate Cr₂O₇^2-

Monohydrogen phospate HPO₄^2-

Oxalate C₂O₄^2-

Oxide O^2-
Peroxide O₂^2-

Selenide Se^2-

Silicate SiO₃^2-

Sulfate SO₄^2-

Sulfide S^2-

Sulfite SO₃^2-

Telluride Te^2-

Thiosulfate S₂O₃^2-

Arsenide As^3-

Nitride N^3-

Phosphate PO₄^3-

Phosphide P^3-

Phosphite PO₃^3-

Bromate BrO₃^3-

carbide C^4-

Polyatomic Elements and Acids

Polyatomic Elements

Acids

As₂ arsenic

At₂ astatine

Br₂ bromine

Cl₂ chlorine

F₂ fluorine

H₂ hydrogen

I₂ iodine

N₂ nitrogen

O₂ oxygen

P₄ phosphorus

S₈ sulfur

Sb₄ antimony

Se₈ selenium

CH₃COOH or C₂H₄O₂ acetic (vinegar)

C₁₈H₃₄O₂ oleic

Cl₃CCOOH trichloroacetic

H₃BO₃ boric

HBr hydrobromic

HCOOH formic

H₂CO₃ carbonic

H₂C₂O₄ oxalic

HCl hydrochloric (muriatic)

HClO hypochlorous

HClO₂ chlorous

HClO₃ chloric

HClO₄ perchloric

HF hydrofluoric

HI hydroiodic

HNO₂ nitrous

HNO₃ nitric

H₂SO₃ sulfurous

H₂SO₄ sulfuric