Nitrogen
Links
Visual Elements: Nitrogen
http://www.chemsoc.org/viselements/pages/nitrogen.html
Animation, uses, physical information, and key isotopes.
It's Elemental: Nitrogen
http://education.jlab.org/itselemental/ele007.html
Basic physical and historical information.
ChemicalElements.com: Nitrogen
http://www.chemicalelements.com/elements/n.html
Basic information, atomic structure, and table of isotopes.
Especil Gas Inc.: Nitrogen
http://www.c-f-c.com/specgas_products/nitrogen.htm
Numeric data, uses, and general information.
USGS Minerals Information: Nitrogen
http://minerals.usgs.gov/minerals/pubs/commodity/nitrogen/
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Nitrogen
http://www.scescape.net/~woods/elements/nitrogen.html
Data tables and historic information.
EnvironmentalChemistry.com: Nitrogen
http://environmentalchemistry.com/yogi/periodic/N.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Nitrogen
http://www.webelements.com/webelements/elements/text/N/key.html
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Nitrogen
http://www.wikipedia.org/wiki/Nitrogen
Properties of the element, including its history, applications, and charateristics.
Lenntech: Nitrogen
http://www.lenntech.com/Periodic-chart-elements/N-en.htm
Physical data, chemical properties, health and environmental effects.