Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Chemical Nomenclature
Read and learn about the process in which compounds are named and written. View several examples of written compounds and have access to links that give more information about writing names and formulas for compounds.
Other
Fernbank: Naming Chemical Compounds
Learn how to name chemical compounds. Scientist world over use a standard method for naming chemical compounds based on an international standard that makes working with chemicals not only precise but safe as well. Includes quiz.
Clackamas Community College
Clackamas Community College: Ionic Compounds
This site on ionic compounds looks at why they form networks and why they are compounds. There is also a section on determining formulas for ionic compounds with several examples provided.