amalgam lamp, 67 ambident, 67 ambient air in atmospheric chemistry , 68 ambient air quality in atmospheric chemistry , 68 ambo , 68 Ames/salmonella test, 68 amic acids, 69 amide oximes, 69 amides, 69 amidines, 71 amidium ions, 71 amidrazones, 72 aminals, 72 amine imides, 72 amine imines [obsolete] , 72 amine oxides, 73 amine ylides, 73 amines, 73 aminimides [obsolete] , 73 aminium ions, 73 aminiumyl radical ions, 74 amino radicals [obsolete] , 74 amino sugars, 74 amino-acid residue in a polypeptide, 75 aminonitrenes [obsolete] , 75 aminooxyl radicals, 75 aminoxides, 75 aminoxyl radicals, 76 aminyl oxides [obsolete] , 76