TIGER

4.1 Periodicity and the Periodic Table
4.2 Atomic Emission and Absorption Spectra
4.3 Light as a Wave
4.4 Light as a Particle: The Photoelectric Effect
4.5 The Quantum Model of Atoms
4.6 If a Wave Can be a Particle, Can a Particle Be a Wave?
4.7 The Wave Model of Electrons in Atoms
4.8 Energies of Electrons in Atoms: Why Atoms Don't Collapse
4.9 Multielectron Atoms: Electron Spin
4.10 Periodicity and Electron Shells
4.11 Wave Equations and Atomic Orbitals
4.12 Outcomes Review
4.13 Extension-Energies of a Spherical Electron Wave