Environmental Chemistry
Environmental chemistry.com: Periodic Table Phosphorus
Excellent source of information on phosphorus including its physical and chemical properties. Highly recommended.
Chem4kids
Chem4 Kids: Phosphorus (P)
Here you can find some great information about the 15th element in the periodic table, "phosphorus." Content focuses on phosphorus' electrons, where you can find phosphorus in nature and in the home, and how phosphorus combines with...