Final answer:
A secondary amine is a type of amine functional group with two carbon groups and one hydrogen attached to the nitrogen atom.
Step-by-step explanation:
A secondary amine is a type of amine functional group that contains two carbon groups and one hydrogen attached to the nitrogen atom. The nitrogen atom of a secondary amine is bonded to one hydrogen and two carbons. For example, diethylamine (C2H5)2NH is a secondary amine.