View the complete course at: ocw.mit.edu/3-091F04 De Broglie, Heisenberg, and Schrödinger; The Aufbau Principle, Pauli Exclusion Principle, and Hund's Rules; Photoelectron Spectroscopy; Average Valence Electron Energy License: Creative Commons BY-NC-SA More information at ocw.mit.edu/terms More courses at ocw.mit.edu