An excellent site for chemistry teaching and learning, including over 20 links to tutorial sites of all levels. There is also a virtual chemistry textbook for general chemistry. Chemistry A place for anyone doing research to find the information they need as easily as possible. Chemical Engineering A place for anyone doing research to find the information they need as easily as possible.
Many resources are at a university level but there is some good basic information as well.
However, it hasn't been updated in awhile. What's That Stuff Find out what makes up hair coloring, cement, ink, and even baseballs. ChemTeam Tutorial in High School Chemistry Study resources for students in high school and Advanced Placement chemistry. This web site is for chemistry teachers in grades 9 through 12, and students may also find it useful. This extraordinary site provides physical data, background information, chemical data, physical data, nuclear information, electronic information, biological information, geological information, and crystallographic information on all of the elements of the periodic table.