Purdue University
Purdue University: Orbital Shells
This site from the Purdue University provides an overview of atomic orbitals and how quantum numbers specify these orbitals. Includes a model that can be rotated and examined in 3D. Includes learning exercises and answers.
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.
Crescent Public Schools
The Internet Science Room: Quantum Numbers
Using diagrams, illustrated examples, and student practice this chemistry class tutorial explains quantum numbers.
Crescent Public Schools
The Internet Science Room: Electron Configuration and Orbital Diagrams
Students use this chemistry tutorial to guide their understand of electron configuration and orbital diagrams.
Michael Blaber, PhD
Florida State University: Molecular Geometry and Bonding Theories
This article from the Florida State University contains information on multiple bonds and orbitals. Great charts and pictures are shown to help the educational process. Definitely a great site to check out on the subject.
Michael Blaber, PhD
Fsu: Basic Concepts of Chemical Bonding: Exceptions to the Octet Rule
Lists the exceptions to the octet rule and provides a discussion and diagrams explaining each one. Includes clear diagrams illustrating this concept.
Michigan State University
Michigan State University: Elementary Physics Ii: The Pauli Exclusion Principle
The Pauli Exclusion Principle requires that all electrons in an atom have unique energy levels.
Other
Time Domain Cvd: Hybrid Orbitals and Complex Molecules
Good look at the orbital hybridization that goes along with the different arrangements of electron clouds. Solid information and graphics.
Other
Mark Bishop: Hybrid Orbitals
Cool visual site that shows a 3-D image of the various hybrid orbitals that are possible. Requires the CHIME plug-in to view images.
Other
Monterey Peninsula College: Molecular Orbital Theory
Very deep presentation of molecular bonding and orbital theory. Nice graphics and text make it a good presentation of some high end material.
Other
Us: Valence Shell Electron Pair Repulsion (Vsepr)
An excellent tutorial that examines VSEPR and pairs of valence electrons. The valence shell electron pair repulsion concept is explored using animated models. Includes a VSEPR calculator. Use the toolbar on the left to navigate through...
Other
Monterey Peninsula College: Complete Electron Configurations
A tutorial which helps students write a complete electron configuration for an uncharged atom.
State University of New York
State University of New York: Atomic Electron Configuration
This simulation displays the electron configurations of for the elements in relation to the element's position on the periodic table.
State University of New York
State University of New York: Electron Configuration of Ions
The following simulation displays electron configurations for elements in relation in relation to the element's position on the periodic table.
State University of New York
State University of New York: Atomic Orbital Energies
This simulation explores the trends observed in orbital energies for the main group elements of atomic orbital energies.
State University of New York
State University of New York: Electron Configurations
The following simulation provides an interaction with electron configurations.
State University of New York
State University of New York: Molecular Orbital Theory
This exercise displays the molecular orbitals for a few small molecules and examines how to classify each.
University of Waterloo (Canada)
University of Waterloo: Valence Bond Theory and Hybrid Atomic Orbitals
Provides good objectives to go along with a text discussion of hybridization. Complete with illustrations, charts, and graphics.
Concord Consortium
Concord Consortium: Molecular Workbench: Molecular Orbitals of Benzene
Adjust variables to see numerous configurations of the electron orbitals of Benzene.
CK-12 Foundation
Ck 12: Physical Science: Electron Cloud Atomic Model
[Free Registration/Login may be required to access all resource tools.] Features the electron cloud atomic model and atomic orbitals.
CK-12 Foundation
Ck 12: Physical Science: Electrons
[Free Registration/Login may be required to access all resource tools.] Explores electrons and their place in atoms.
CK-12 Foundation
Ck 12: Physical Science: Energy Level
[Free Registration/Login may be required to access all resource tools.] Covers energy levels of atoms, their relation to orbitals, and the significance of electrons at different energy levels.
Chem4kids
Chem4 Kids: Atoms: Orbitals
The website provides an explanation of the electrons' position in their orbitals as they spin around the nucleus. Quantum theory is also explored by explaining that the exact location of a specific electron is a not exact but a guess.
Physics Aviary
Physics Aviary: Energy Level Lab
This lab is designed to allow students to look at the connection between the gap between two energy levels and the frequency of the light that is given off when an electron traverses this gap.