Into the short compass of this book Professor Graetz has succeeded in compressing an eminently readable survey of the directions in which the atomic theory, as accepted in the nineteenth century, has been extended by the remarkable and almost revolutionary physical investigations and discoveries of the two decades preceding the book’s original publication in 1923.
1. Molecules and Atoms in Chemistry, and the Kinetic Theory of Gases 2. Atoms and Ions and Electrical Effects in Liquids and Gases – Atoms of Electricity 3. The Disintegration of Atoms in Radio-active Substances – The Nucleus Theory of the Atom 4. X-Ray Spectra and the Nucleus Theory of the Atom 5. Line Spectra and Bohr’s Model of the Atom 6. Further Investigations on the Structure of Nucleim Atoms, Ions and Molecules – Decompsition of Nuclei