Chem Molecules

Cations

Ion with positive charge (formed when an atom loses one or more electrons)

Anions

Ion with a negative charge (formed when an atom gains an electron)

NH4+

Ammonium

H3O+

Hydronium

CH3COO- or C2H3O2-

Acetate

CN-

Cyanide

OH-

Hydroxide

ClO2-

Chlorite

ClO3-

Chlorate

ClO4-

Perchlorate

NO2-

Nitrite

NO3-

Nitrate

MnO4-

Permanganate

CO₃²⁻

Carbonate

HCO₃-

Hydrogen carbonate or bicarbonate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

O₂²⁻

Peroxide ion

PO₄³⁻

Phosphate

[H₂PO₄]⁻

Dihydrogen phosphate

SO₃²⁻

Sulfite

SO₄²-

Sulfate

HSO₄^-

Hydrogen sulfate (bisulfate)

H ₂O ₂

Hydrogen peroxide

NH4

Ammonia

N ₂H ₄

Hydrazine

Nitric oxide

NO

Nitrogen dioxide

NO2

SO2

Sulfur dioxide

Sulfur trioxide

SO3

Carbon monoxide

CO

Carbon dioxide

CO2

Chlorine monoxide

ClO

Disulfur decaflouride

S₂F₁₀

HCl

Hydrochloric acid

HBr

Hydrobromic acid

H₂S

Hydrogen sulfide

H ₃PO ₄

Phosphoric acid

HNO₃

Nitric acid

HNO₂

Nitrous acid

H₂SO₄

Sulfuric acid

H₂SO₃

Sulfurous acid

HClO₄

Perchloric acid

HClO₃

Chloric acid

HClO₂

Chlorous acid

HClO

Hypochlorous acid

HBrO ₄

Perbromic acid

HBrO₃

Bromic acid

HBrO₂

Bromous acid

HBrO

Hypobromous acid

two forms: orthoperiodic acid (H5IO6) and metaperiodic acid (HIO4)

Periodic acid

HIO₃

Iodic acid

HIO₂

Iodous acid

HIO

Hypoiodous acid

CH₄

Methane

C₂H₆

Ethane

C₃H₈

Propane

C₄H₁₀

Butane

C₅H₁₂

Pentane

C₆H₁₄

Hexane

C₇H₁₆

Heptane

C₈H₁₈

Octane

C₉H₂₀

Nonane

C₁₀H₂₂

Decane

[SCN] ⁻

Thiocyanate

AsO₄³⁻

Arsenate

C₂O₄(₂−)

Oxalate

IO-1

Hypoiodite

CO₃²⁻

Carbonate

C₈H₄O₄^-2

Phthalate

CN-

Cyanide

HO₄S^-

Bisulfate

HO₃S^-

Bisulfite

Cr₂O₇^-2

Dichromate

HSO₄^-

Hydrogen sulfate

CH₂O 

Formaldehyde

C₂H₄O₂

Acetic acid

C₃H₆O₃ 

Lactic acid

C₄H₈O₄ 

Erythrose

C₅H₁₀O₅  

Ribose

C₆H₁₂O₆ 

Glucose

Acetylene

C2H2