Introduction to Atmospheric Chemistry -- Dawn of Modern Chemistry and Chemistry of Atmosphere -- Chemistry of Atmosphere to Atmospheric Chemistry -- Textbooks of Atmospheric Chemistry -- Fundamentals of Chemical Reactions -- Photochemistry and Photolytic Reactions -- Bimolecular Reactions -- Termolecular and Unimolecular Reactions -- Multiphase Heterogeneous Reactions -- Solar Radiation and Actinic Flux -- Solar Spectrum Outside of the Atmosphere -- Attenuation of Solar Radiation by N2, O2 and O3 in the Atmosphere -- Solar Zenith Angle and Air Mass -- Scattering by Atmospheric Molecule and Particles, and Surface Albedo -- Actinic Flux and Photolysis Rates -- Absorption Spectrum of Atmospheric Molecules, and Photolysis Reactions -- Solar Spectrum in the Troposphere and the Stratosphere -- Photolysis in the Troposphere -- Photolysis in the Stratosphere -- Photolysis of Inorganic Halogen Compounds -- Homogeneous Elementary Reactions in the Atmosphere and Rate Constants -- Reactions of O(3P) and O(1D) Atoms -- Reactions of OH Radicals -- Reactions of HO2 and CH3O2 Radicals -- Reactions of O3 -- Reactions of NO3 Radicals -- Reactions of Cl Atoms and ClO Radicals -- Heterogeneous Reactions in the Atmosphere and Uptake Coefficients -- Uptake to Water Droplet -- Uptake to Sea Salt and Alkali Halides, and Surface Reactions -- Uptake to Soil and Mineral Dusts, and Surface Reactions -- Uptake to Soot, and Surface Reactions -- Surface Reactions on Polar Stratospheric Clouds (PSC) -- Tropospheric Reaction Chemistry -- HOx Chain Reactions and Oxidation of Methane in the Natural Atmosphere -- Oxidation Reactions of VOC in the Polluted Atmosphere -- Production and Loss of O3 by HOx Chain Reactions -- Measurements of OH and HO2 Radicals in the Atmosphere, and Validation of Models -- Tropospheric Halogen Chemistry -- Tropospheric Sulfur Chemistry -- "Discovery" of OH Radical Chain Mechanism -- Smog Chamber -- Stratospheric Reaction Chemistry -- Pure Oxygen Atmosphere and Ozone Layer -- Ozone Loss Cycles by Trace Gases -- Gas Phase Chain Reactions and Ozone Destruction by CFC -- Multiphase Reactions on PSC and Ozone Hole -- Stratospheric Sulfur Chemistry.