Note: View an animated tutorial on ionic and covalent bonding using Lewis symbols at:

http://media.wwnorton.com/college/chemistry/chemtours/chapter_08/bonding/interface.swf

Note: View an animated tutorial on intermolecular forces at:

http://media.wwnorton.com/college/chemistry/chemtours/chapter_10/intermolecular_forces/interface.swf

Note: An animated tutorial on creating Lewis structures can be found at:

http://media.wwnorton.com/college/chemistry/chemtours/chapter_08/lewis_structures/interface.swf

VSEPR Models:

http://media.wwnorton.com/college/chemistry/chemat/chemtours/chapter_05/vsepr/index.html

For a story of the strongest material in the world (100 times stronger than steel and made of a single nonmetal atom), go to:

http://en.wikipedia.org/wiki/Graphene

For a tutorial on stoichiometry:

http://chemistry.alanearhart.org/Tutorials/Stoichiometry/index.html

A recent story on the importance of employing Van der Waals forces in new nanotechnologies:

http://www.sciencedaily.com/releases/2011/01/110125172422.htm

Noncovalent bonds have recently be employed in a new chemotherapy treatment for cancer in:

http://www.sciencedaily.com/releases/2011/02/110204205509.htm