polyatomic and organic molecules

NO2−​ (Polyatomic)

Nitrite Ion

NO3−​ (Polyatomic)

Nitrate Ion

SO32−(Polyatomic)

Sulfite Ion

SO42−(Polyatomic)

Sulfate Ion

HSO4−​ (Polyatomic)

Hydrogen sulfate Ion

OH− (Polyatomic)

Hydroxide Ion

CN− (Polyatomic)

Cyanide Ion

PO43−​ (Polyatomic)

Phosphate Ion

HPO42−​ (Polyatomic)

Hydrogen phosphate Ion

H2PO4− (Polyatomic)

Dihydrogen phosphate Ion

CO32− (Polyatomic)

Carbonate Ion

HCO3−​ (Polyatomic)

Hydrogen carbonate Ion

ClO− (Polyatomic)

Hypochlorite Ion

ClO2−​ (Polyatomic)

Chlorite Ion

ClO3− (Polyatomic)

Chlorate Ion

ClO4−​ (Polyatomic)

Perchlorate Ion

BrO3−​ (Polyatomic)

Bromate Ion

IO3−​ (Polyatomic)

Iodate Ion

C2H3O2− (Polyatomic)

Acetate Ion

MnO4−​ (Polyatomic)

Permanganate Ion

CrO42−​ (Polyatomic)

Chromate Ion

Cr2O72− (Polyatomic)

Dichromate Ion

O22−​ (Polyatomic)

Peroxide Ion

C2O42− (Polyatomic)

Oxalate Ion

S2O32− (Polyatomic)

Thiosulfate Ion

SiO32−​ (Polyatomic)

Silicate Ion

Methane

CH4

Ethane

C2H6

Propane

C3H8

Butane

C4H10

Pentane

C5H12

Hexane

C6H14

Heptane

C7H16

Octane

C8H18

Nonane

C9H20

Decane

C10H22

Ethene

C2H4

1-Propene

C3H6

1-Butene

C4H8

1-Pentene

C5H10

1-Hexene

C6H12

1-Heptene

C7H14

1-Octene

C8H16

1-Nonene

C9H18

1-Decene

C10H20

Ethyne

C2H2

1-Propyne

C3H4

1-Butyne

C4H6

1-Pentyne

C5H8

1-Hexyne

C6H10

1-Heptyne

C7H12

1-Octyne

C8H14

1-Nonyne

C9H16

1-Decyne

C10H18

Methanol

CH3OH

Ethanol

C2H5OH

Methanoic acid

HCOOH

Ethanoic acid

CH3COOH

Methanal

CH2O

Ethanal

C2H4O

Propanone

C3H6O

Methylamine

CH3NH2

Ethylamine

C2H5NH2