ACS Molecule of the Week: American Chemical Society resource offering a new molecule every week, along with an image and description. An archive and periodic table is also available.
Common Molecules Collection: Discover more information about general molecules common in everyday life, including water molecules, minerals, and vitamins.
Explain it with Molecules: Uses interactive applets of molecules to answer basic science questions like why ice floats, how soap works, and why diamonds are so hard.
Large Molecules: Identifies and explains the function and structure of large molecules. Offers pictures of protein and sugar as well.
Marvelous Molecules: Includes a brief introduction about what molecules are, along with some pictures of certain molecules including aspirin and carbon dioxide.
Quia - Binary Ionic Compounds: Interactive games to name and write formulas for binary ionic compounds.
Visualizing Molecules: Provides an introduction to what molecules are by focusing on examples that include binary compounds and molecular geometry.