Chemical Elements

Chemical Elements is a scientific reference website that provides access to the periodic table. All the usual kinds of chemical information such as atomic number, atomic weight, electron configuration and so on can be found here. In addition, there is information on the melting and boiling points of the various elements.

http://www.chemicalelements.com/

Chem4Kids.com

An educational website for children and those who want a beginner introduction to chemistry. The site does a good job at explaining the basics about matter, atoms, elements, the periodic table and other important parts of chemistry. The provided quizzes help you keep track of how you are doing.

http://www.chem4kids.com/