Atomic Physics
Explore the discoveries and theories of atomic physics, including the discovery and parts of atoms, Bohr’s theory, X-rays, and quantum numbers, as well as applications in medicine and technology.
Introduction to Atomic Physics
Discovery of the Atom
Summarizing Discovery of the Atom
Introducing Discovery of the Parts of the Atom
The Electron
The Nucleus
Summarizing Discovery of the Parts of the Atom
Introducing Bohr’s Theory of the Hydrogen Atom
Mysteries of Atomic Spectra
Bohr’s Solution For Hydrogen
Triumphs and Limits of the Bohr Theory
Summarizing Bohr’s Theory of the Hydrogen Atom
X Rays: Atomic Origins and Applications
Medical and Other Diagnostic Uses of X-rays
X-Ray Diffraction and Crystallography
Summarizing X Rays
Applications of Atomic Excitations and De-Excitations
Fluorescence and Phosphorescence
Lasers
Summarizing Applications of Atomic Excitations and De-excitations
The Wave Nature of Matter Causes Quantization
Summarizing the Wave Nature of Matter Causes Quantization
Patterns in Spectra Reveal More Quantization
Summarizing Patterns in Spectra Reveal More Quantization
Quantum Numbers and Rules
Intrinsic Spin Angular Momentum is Quantized in Magnitude and Direction
Summarizing Quantum Numbers and Rules
Multiple-Electron Atoms
Shells and Subshells
Shell Filling and the Periodic Table
Summarizing the Pauli Exclusion Principle