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Indiana University Northwest: The Aufbau Principle
The Aufbau Principle defined. Site contains charts, graphs, and examples to help in your learning of the Principle and its many purposes.
Simon Fraser University
Chem1 Virtual Textbook: Atomic Electron Configurations
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses a series of topics related to electrons including atoms that have only one electron, effects of...
Simon Fraser University
Chem1 Virtual Textbook: The Aufbau Rules
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses atomic electron configurations. Specifically, the Aufbau rules are discussed with information on energies of...