PBS
Pbs Learning Media: Chemical Bonds
This interactive activity developed for Teachers' Domain demonstrates how attractive forces between atoms create chemical bonds, resulting in the formation of molecules and compounds.
Crescent Public Schools
The Internet Science Room: Chemical Formulas
This illustrated tutorial serves as a foundation for understanding chemical formulas in chemistry.
Chem Tutor
Chem Tutor: Chemistry: Compounds
This lesson focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in which the learners...