4.1 History & Development of Atomic Theory
4.2 Rutherford Gold Foil Experiment
4.3 Subatomic Particles
4.4 Atomic Math
4.5 Light & Chemistry
4.6 Bohr Model
4.7 Modern Atomic Theory
4.8 Sublevels & Orbitals
4.9 Aufbau Principle
4.10 Electron Configurations Level 1
4.11 Electron Configurations Level 2
4.12 Orbital Shapes & Lewis Dot Diagrams
4.13 Quantum Numbers