University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Quantum Numbers
Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.
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...
Simon Fraser University
Chem1 Virtual Textbook: The Quantum Numbers
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses quantum numbers of electrons in atoms including topics such as principal quantum number and orbitals of the...
Crescent Public Schools
The Internet Science Room: Quantum Numbers
Using diagrams, illustrated examples, and student practice this chemistry class tutorial explains quantum numbers.
Virginia Tech
University of Vermont: Quantum Numbers
This chart highlights the characteristics of the first through fourth electron orbitals in quantum numbers. Also includes information about the Pauli Exclusion Principle.
Michael Blaber, PhD
Fsu: Electronic Structure of Atoms: Quantum Mechanics & Atomic Orbitals
This article is provided by Florida State University. Schroedinger wave equation is explained and how quantum numbers are used to describe the energy level of any electron in an atom. The relationship of atomic orbitals to quantum...
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.
Georgia State University
Georgia State University: Hyper Physics: Quantum Numbers, Hydrogen Atom
This tutorial contains links to explanations of the four different quantum numbers (principal, orbital, magnetic, and spin). Equations for each are provided.
Vision Learning
Visionlearning: Atomic Theory and Structure: Quantum Numbers and Orbitals
Explanation of advanced atomic theory using The Schrodinger equation.
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.
Sophia Learning
Sophia: Quantum Numbers: Lesson 2
This lesson will introduce quantum numbers, their symbols, and what they represent. It is 2 of 3 in the series titled "Quantum Numbers."
Davidson College
Davidson College: Sizes of Atomic Orbitals
Using a Java applet, sets of atomic orbitals are compared with different quantum numbers in order to compare the orbital sizes.
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.
Khan Academy
Khan Academy: The Quantum Mechanical Model of the Atom
Introduction to the quantum mechanical model of the atom: Thinking about electrons as probabilistic matter waves using the de Broglie wavelength, the Schrodinger equation, and the Heisenberg uncertainty principle. Electron spin and the...
CK-12 Foundation
Ck 12: The Quantum Mechanical Model
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will calculate the wavelength, frequency, and energy of light using Planck's constant and the speed of light. They will...
Other
Chemtopics: Atomic Orbitals & Electron Configurations [Pdf]
Solutions to the Schrodinger wave equation give four types of atomic orbitals. Explanation of how quantum numbers specify these orbitals.
Concord Consortium
Concord Consortium: Molecular Workbench: Atomic Orbitals
View the approximate locations of electrons in valence shells 1s through 4f.
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.
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.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Spin
A basic explanation of spin and how it relates to electrons and quantum numbers.
Environmental Chemistry
Environmental chemistry.com: Anatomy of an Atom
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
Other
Chemtopics: Understanding the Schrodinger Eqn.
The Schrodinger equation specifies atomic orbitals which are occupied by an electron. Quantum numbers can identify a unique energy level for each electron (set up in a PowerPoint presentation).