Curated OER
Electron Arrangement in Atoms
In this electron configuration activity, students fill in 10 blanks with the appropriate terms, they determine if 6 statements are true or false, they match 5 terms with their meanings and they answer two questions about electron...
Curated OER
Code Makers - Electron Configuration, Aufbau Principle
Students write the electron configuration of elements using the Aufbau principle. In this chemistry lesson, students build their own key that demonstrates the principle.
Ohio State University
Betha Chemistry Tutorial
This site resource offers tutorials on the gas laws, balancing chemical equations, and quantum mechanics.
Other
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.
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] The focus in this learning module will be on the complexity of electron arrangement in atoms.
Annenberg Foundation
Annenberg Learner: Interactives: Periodic Table
Learn the basics of the Periodic Table including how the Periodic Table is organized and how to make sense of the information included in the table. Test your understanding with an interactive quiz at the end of the activity.
Other
University of Texas: Tabled Discussion
At this University of Texas site, atomic orbital occupancy, quantum numbers, the Aufbau Principle, and periodic trends are described in detail.
Georgia State University
Georgia State University: Hyper Physics: Hund's Rules
An excellent overview of Hund's Rules. Discusses all three rules thoroughly with provided diagrams.
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...
Purdue University
Purdue University: Quantum Numbers & Electron Configurations
This site from the Purdue University provides quantum numbers explained in detail and shown how they specify the atomic orbital of each electron and their energy levels. Electronic configurations are explained. Learning exercises with...
Purdue University
Purdue University: The Aufbau Principle
At this site from Purdue University, Electron Configurations, the Aufbau Principle, Degenerate Orbitals, and Hund's Rule are detailed. Includes learning exercises and answers.
Other
Erik's Chemistry Page: Electronic Structure of Atoms
A description of quantum theory, the Bohr model of the atom, the quantum mechanical atom, the Scrodinger equation, and quantum numbers.
Science Struck
Science Struck: Electron Configuration Chart for the Periodic Table
Explains the theoretical basis of electron configuration and presents a table of all 118 elements with their symbols, number of electrons, and electron configurations.