Atoms, Molecules & Ions (Chemistry)
Flashcards about atoms 
Elementary flashcards on atoms.
Atom builder 
A shockwave app that allows you to build various atoms.
Positive and Negative ions 
This is a pretty thorough description of ions. There are plenty of examples and you should have a fairly thorough understanding of ions by the time you are done with this article. Ions are important because: A A simple understanding of positive and negative ions will help you to predict the...
