Phosphorus
Links
Radiochemistry of Phosphorus
http://lib-www.lanl.gov/cgi-bin/getfile?rc000024.pdf
Full text of the monograph by William T. Mullins and G. W. Leddicote (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF]
It's Elemental: Phosphorus
http://education.jlab.org/itselemental/ele015.html
Basic physical and historical information.
ChemicalElements.com: Phosphorus
http://www.chemicalelements.com/elements/p.html
Basic information, atomic structure, and table of isotopes.
Phosphorus
http://www.scescape.net/~woods/elements/phosphorus.html
Data tables and historic information.
Visual Elements: Phosphorus
http://www.chemsoc.org/viselements/pages/phosphorus.html
Image, general and physical information, source, uses, key isotopes, and ionisation energies.
EnvironmentalChemistry.com: Phosphorus
http://environmentalchemistry.com/yogi/periodic/P.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Phosphorus
http://www.webelements.com/webelements/elements/text/P/key.html
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Phosphorus
http://www.wikipedia.org/wiki/Phosphorus
Properties of the element, including its history, applications, and charateristics.
Lenntech: Phosphorus
http://www.lenntech.com/Periodic-chart-elements/P-en.htm
Physical data, chemical properties, health and environmental effects.