Name
Hydroxyl
Aldehyde
Keytone
Carboxylic acid
Amine
Organic phosphate
Thiol
-OH
Carbonyl Keytone
--CO
Carbonyl Aldehyde
-CHO
Carboxyl
-COOH
Carbolic acids
R-COOH
Amino
-NH2
Phosphate
-OPO32-
Sulfhydryl
-SH