Chapter 12: Quantum Mechanics Last updated Save as PDF Page ID 46240 OpenStax OpenStax 12.1: Introduction to Quantum Mechanics 12.2: Blackbody Radiation 12.3: The Photoelectric Effect 12.4: The Wave Nature of Matter 12.5: Uncertainty Principle 12.6: Discovery of the Atomic Nucleus 12.7: Bohr’s Theory of the Hydrogen Atom 12.8: The Wave Nature of Matter Causes Quantization 12.E: Quantum Mechanics (Exercise)