A couple of good ones

• www.ptable.com

• www.chemteam.info

• www.khanacademy.org

• http://misterguch.brinkster.net/helpdesk2.html

• http://phet.colorado.edu/en/simulations/category/chemistry  - good modules

• http://itsisu.portal.concord.org/  -  good online modules

• http://mrgood.acsd.wikispaces.net/ 

 

 

Internet activities

• ​Wave particles:  http://www.colorado.edu/physics/2000/waves_particles/index.html

• Quantum zone:  http://www.colorado.edu/physics/2000/quantumzone/index.html

• Elements as atoms:  http://www.colorado.edu/physics/2000/elements_as_atoms/index.html

• Molecule shapes:  http://phet.colorado.edu/en/simulation/molecule-shapes

• Molecule Polarity:  http://phet.colorado.edu/en/simulation/molecule-polarity