Phosphorus

• Health: Nutrition: Nutrients: Vitamins and Minerals: Phosphorus  (4)
• Science: Chemistry: Elements: Nonmetals  (3)

ChemGlobe: Phosphorus :

- Electronic, thermal, and steric data along with basic information.
ChemicalElements.com: Phosphorus :

- Basic information, atomic structure, and table of isotopes.
EnvironmentalChemistry.com: Phosphorus :

- Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Phosphorus :

- Basic physical and historical information.
LANL: Phosphorus :

- Properties, handling, production, and uses.
Lenntech: Phosphorus :

- Physical data, chemical properties, health and environmental effects.
Visual Elements: Phosphorus :

- Image, general and physical information, source, uses, key isotopes, and ionisation energies.
WebElements: Phosphorus :

- Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Phosphorus :

- Properties of the element, including its history, applications, and characteristics.
Radiochemistry of Phosphorus :

- Full text of the monograph by William T. Mullins and G. W. Leddicote (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (March, 1962)