Review for your next test HERE!

Chemistry, follow the above link and try #27 and 28.
ChemCom try numbers 19, 20, 21.

Ion valence chart

Polyatomic Ion valence chart

Chemistry Practice Problems Web Site

WebElements site (periodic Table, etc.)

A good explanation of stoichiometry. Uses a modified version of factor-labeling. Definately worth a look if you're having trouble with stoich.

WebElements (Periodic table site)

Another good periodic table site

Interesting site for research chemists. Has a biography section that is quite extensive.

This is another chem teacher's web site that has some great links.

One more teacher's site. Check out the ChemCom stuff here.

Mr. Heaston's web site

Not for the faint of heart, but interesting information about Lavoisier's last moments.

Information on some relgious beliefs

More like the above

Good physical science site

This may be helpful

Also may have some good links

Try this one

This is a timeline of atomic history that has some good links.

Try this atom builder!

Rutherford and Thomson models. VERY interesting site!