For Schools
WebElements - the periodic table on the web
With over 52 million users every year, WebElements
is the foremost educational site in Chemistry anywhere! WebElements is a periodic table with a difference, click on any symbol and you get all of the basic information on that element:
- plus graphs relating it to every other element in the periodic table
- plus pictures of the element
- plus cartoons
- plus movies illustrating many reactions...
In short, you have much of the basics of chemistry encapsulated into one easy to understand and attractively produced package. Best of all, it's free - just click and go!
WebElements - the periodic table on the internet
The Orbitron

The Orbitron is a gallery of atomic orbitals, featuring:
- Images representing orbitals
- Animated plots of wave functions
- Animated plots of electron density
- "Dot-density" plots of electron density
- Plots of radial distribution functions
ChemPuter - helps with chemistry calculations!
Designed to take the drudgery out of basic chemical calculations, Chemputer can work out:
- Molecular weights
- Elemental analysis
- Isotope patterns for compounds
- VSEPR molecular shapes
- and more...
Valence Shell Electron Pair Repulsion (VSEPR)
VSEPR is a simple theory that lets us predict the shapes of many molecules quickly and easily. This online resourse includes an introductory tutorial and example molecules rendered in 3D.
Chemdex - find chemical information or specialists - fast!
Chemdex provides links to specialists in Chemistry on a regional or global basis, along with links to essays and sites on the web that can be used as the basis of projects...
