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...

[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...

[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.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site specifically addresses the quantum atom and related topics. The related topics include the wave function and its physical...

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.

Using a Java applet, sets of atomic orbitals are compared with different quantum numbers in order to compare the orbital sizes.