A strong acid is defined as one which disassociates completely in water. Lactic acid does not completely disassociate in water, therefore it is catagorized as a weak acid.
They are acids because they are electron donors in a chemical bonding. The "amino" part of the name stems from the fact that they all have an amine group ( -NH2 ) at one end.Amino acids are called...
Amino acids all contain the carboxyl group (-CO2H), which is acidic. If named by IUPAC nomenclature they would be referred to as acids as well. For example glycine, the simplest amino acid, would be...