alkane
hydrocarbons with only single bonds
alkene
hydrocarbons with at least one double bond
alkyne
hydrocarbons with at least one triple bond
aromatic ring
haloalkanes
primary haloalkanes
secondary haloalkanes
tertiary haloalkanes
arenes
hydrocarbons that contain at least one aromatic ring
alcohols (aliphatic)
primary alcohol
secondary alcohol
tertiary alcohol
phenol (aromatic alcohol)
ether
amines
primary amine
secondary amine
tertiary amine
quaternary amines
aldehyde
ketone
carboxylic acid
ester
amide
nitrile
thiol
sulfide
carbonyl group
part of many functional groups
acyl chloride (acid chloride)
acid anhydride