Electron Configurations
ShockWave Document Shockwave files are more likely to work on a PC, but not on a Mac.
Ionization Energy Trends for the Second Period
Periodic table
http://http://www.dreamwv.com/primer/page/s_pertab.html (cool PT)
VSEPR Stuff
http://http://www.chem.purdue.edu/gchelp/vsepr/
General Chemistry Resources WEB site
http://www.colby.edu/chemistry/webmo/mointro.html (Lewis structure, bond angle and bond length data for many simple compounds)
http://http://webbook.nist.gov/ (thermodynamic data)