Amino group

amino group (-NH2) Group of atoms within a molecule that is responsible for certain properties of the molecule and reactions in which it takes part. A functional group common to all amino acids, that consists of a nitrogen atom bonded covalently to two hydrogen atoms. Leaving a lone valence electron on the nitrogen atom capable of bonding to another atom. It can act as a base in solution by accepting a hydrogen ion and car­rying a charge of +1. Any organic compound that has an -NH2 is called an amine and is a derivative of the inorganic compound ammonia, NH3. A primary amine has one hydrogen atom replaced, such as in the -NH2. A secondary amine has two hydrogens replaced. A tertiary amine has all three hydrogens replaced. Amines are created by decomposing organic matter.

Amino group

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