This handbook is a ready-reference reliable book of chemical and physical data. It is the 98th Edition and includes a number of new tables to include a new summary table of key properties of the Elements, the table of Isotopes, Gas Clathrates, Ionic Liquids, Protein-Ligand Binding Thermodynamics, Common Drugs, H Chemical Shifts of Contaminants, Electron Affinities, Atonic and Molecular Polarizabilities, IUPAC Guide to Nomenclature of Inorganic Chemistry.