Types Of Carbon Atoms

Primary carbon atom
If a carbon atom attached to functional group is directly attached to only one carbon atom, then it is said to be a “primary carbon atom” or,

Secondary carbon atom
If a carbon attached to functional group is directly attached to the two C-atoms, then it is said to be “secondary carbon atom” or,

Tertiary carbon atom
If the carbon atom that is attached to a functional group is directly attached to three C-atoms, then it is said to be a “tertiary carbon atom” or,

Amines
Organic compounds containing Amino (NH2) functional group are known as “amines”.
e.g. CH3-NH2 methyl amine
C2H5-NH2 ethyl amine