unit one general chemistrylesson one chemistry today and tomorrow: the central, useful and creative sciencelesson two frontiers in chemistryunit two inorganic chemistrylesson one the nomenclature of inorganic compoundslesson two oxidation-reduction reactionlesson three acids and baseslesson four coordination chemistryunit three organic chemistrylesson one structure and bondinglesson two functional groups and chemical familieslesson three nomenclature of organic compoundslesson four green chemistryunit four physical chemistrylesson one the first law of thermodynamicslesson two chemical equilibriumlesson three electrolysislesson four catalysisunit five analytical chemistrylesson one qualitative chemical analysislesson two molecular absorption spectroscopy ultraviolet-visibleand infrared spectrophotometrylesson three mass spectrometrylesson four nuclear magnetic resonance spectroscopylesson five gas chromatographyunit six biochemistrylesson one enzymeslesson two glycolysisunit seven materials sciencelesson one polymerlesson two nanotechnologylesson three liquid crystalsunit eight unit operationlesson one distillationlesson two solvent extractionlesson three crystallizationappendix �� chinese and english name of the chemical elementsappendix �� common chemical prefix and suffixsubject indexreferences