Wisc-Online
Wisc Online: Lewis Dot Structures of Covalent Compounds
Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...
Khan Academy
Khan Academy: Practice Writing Electron Configurations
Choose the element that matches the electron configuration.
Ducksters
Ducksters: Kids Science: Molecules
Kid's learn about the science of the molecules. Tiny chemistry and compounds of atoms and elements make up all matter.