Atomic Structure & Periodicity
A 22-module path through atomic structure & periodicity, in study order from foundations to the frontier.
Modules
- Wave–Particle Duality and the Quantum Atom
- The Schrödinger Equation and Atomic Wavefunctions
- The Four Quantum Numbers
- Radial and Angular Parts of the Wavefunction
- Orbital Shapes and Boundary Surfaces
- Radial Distribution Functions and Nodes
- Electron Probability Density and Orbital Phase
- Penetration and Shielding
- Effective Nuclear Charge
- Slater's Rules for Shielding Constants
- Slater-Type Orbitals
- Orbital Energy Ordering in Multielectron Atoms
- Electron Configurations and the Aufbau Principle
- Pauli Exclusion and Hund's Rules
- Structure of the Periodic Table
- Electron Configuration Anomalies
- Periodic Trends in Atomic Radii
- Ionic Radii and Isoelectronic Series
- Ionization Energy Trends
- Electron Affinity Trends
- Electronegativity Scales
- Relativistic Effects in Heavy Elements