1. German Revolution and the creation of the Weimar Republic, 2. The Treaty of Versailles: political and economic significance, 3. Political and Economic Crisis, 1919-1923...
1.1. Electromagnetic Radiation and Atomic Spectra, 1.2. Atomic Orbitals, Electronic Configurations and the Periodic Table, 1.3. Shapes of Molecules and Polyatomic Ions...