Part I: Chemical interaction above electrostatic force between s-block metals and ligand ions1. Host-Guest Chemistry of s-Block Metal Ions and the Development of Supramolecule ChemistryPart II: The Development of Supramolecular Chemistry Systems2. Light Metal Coordination Polymers3. Voltammetric Studies on Chemical Interactions of Alkali Metal Ions with Acetate and Benzoate Ions in Acetonitrile4. Salt Effects on Proton Transfer from Nitrophenols to Amine or Pyridine Bases in Acetonitrile5. Elucidation of Salt Effects on the Indicator Acidity in Acetonitrile6. Direct Chelate Formation between Alkaline Earth Metal Ions and 1-(2-Pyridylazo)-2-naphthol and Related Reactions in Acetonitrile7. Higher Ion-Aggregates in Low Permittivity Media8. Conductivity and Spectroscopic Studies of Ion Aggregates in Higher Permittivity MediaPart III: Coordination phenomena of s-block metal ions in aprotic and protic solvents9. UV-Visible and {sup|1}H or {sup|13}C NMR Spectroscopic Studies on the Specific Interaction between Lithium and Tropolonate Ions in Acetonitrile or Other Solvents10. Interaction between Protons or Alkaline Earth Metal Ions and the Benzoate Ion in Acetonitrile Studied by UV-visible, {sup|1}H and {sup|13}C NMR Spectroscopy11. Precipitation and Re-Dissolution of s-Block Metal Salts Based on Coordination and "Reverse Coordination" with Aromatic Dicarboxylate, Sulfonate, or Disulfonate ions in Acetonitrile12. Specific Coordination Phenomena of Alkaline Earth Metal Ions with Mono-, Di-, and Trisulfonates in Alcohols and Binary Solvents13. Strong Complexing Ability of Alkali Metal and Alkaline Earth Metal Ions with Organic Phosphinate and Phosphates14. Chemical Interaction between Alkaline Earth Metal Ions and the Benzoate or 2,6-Naphthalenedicarboxylate Ion in Acetonitrile and Alcohols15. Coordination and "Reverse Coordination" of Alkali Metal, Alkaline Earth Metal, and Indium Ions with 1,3,6-Naphthalenetrisulfonate Ion in Protic and Aprotic SolventsPart IV: Application of the coordination ability of s-block metals and related reactions in solution16. {sup|1}H and {sup|13}C NMR Detection of the Carbocations or Zwitterions from Fluoran Leuco Dyes or Trityl Chlorides on the Addition of s-Block Metal Ions17. Alternative Mechanism of S{sub|N}1 Solvolysis Based on the Direct Chemical Interaction between s-Block Metal Cations and Leaving-Group Anions18. Discovery of Enhanced Oxidation Mechanism of Dilute Nitric Acid (and Pure Gold Dissolution in Seawater)19. Pure Gold Dissolution by the Oxidation Ability of Dilute Nitric and Nitrous Acids in the Presence of Abundant Metal Salts20. Pure Gold and Stainless Steel Dissolution or Corrosion in Dilute Halic Acids (HXO{sub|3}, X = Cl, Br, I) Solution containing Abundant Halide Ions21. Elucidation of Specific Ion Association in Nonaqueous Solution Environments