Appendix 6 Ionization Energies of Selected Metals Appendix 7 Electron Affinities of Selected Nonmetals Appendix 8 Electronegativities of Selected Elements Appendix 9 Selected Lattice Energies Appendix 10 Selected Hydration Enthalpies Appendix 11 Selected Ionic Radii Appendix 12 Vapor Pressure of Water at Various Temperatures Appendix 13 Boiling Point Elevation and Freezing Point Depression Constants Appendix 14 Enthalpies of Combustion for Some Selected Organic Compounds Appendix 15 Dissociation Constants of Weak Acids and Bases Appendix 16 Solubility Product Constants of Selected Slightly Electrolytes Appendix 17 Formation Constants of Some Selected Complex Ions in Aqueous Solution Appendix 18 Physical and Chemical Constants 元素周期表