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ChemicalElements.com: Nitrogen -
Basic information, atomic structure, and table of isotopes.
http://www.chemicalelements.com/elements/n.html Visual Elements: Nitrogen -
Animation, uses, physical information, and key isotopes.
http://www.chemsoc.org/viselements/pages/nitrogen.html Especiál Gas Inc.: Nitrogen -
Numeric data, uses, and general information.
http://www.c-f-c.com/specgas_products/nitrogen.htm USGS Minerals Information: Nitrogen -
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
http://minerals.usgs.gov/minerals/pubs/commodity/nitrogen/ EnvironmentalChemistry.com: Nitrogen -
Atomic structure, chemical and physical properties, and table of nuclides.
http://environmentalchemistry.com/yogi/periodic/N.html WebElements: Nitrogen -
Extensive information on history, uses, occurrence, compounds, and properties of the element.
http://www.webelements.com/webelements/elements/text/N/key.html It's Elemental: Nitrogen -
Basic physical and historical information.
http://education.jlab.org/itselemental/ele007.html ChemGlobe: Nitrogen -
Electronic, thermal, and steric data along with basic facts and an isotope table.
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/7.html LANL: Nitrogen -
History, sources, natural compounds, and ammonia.
http://periodic.lanl.gov/elements/7.html Lenntech: Nitrogen -
Physical data, chemical properties, health and environmental effects.
http://www.lenntech.com/Periodic-chart-elements/N-en.htm Wikipedia: Nitrogen -
Properties of the element, including its history, applications, and characteristics.
http://en.wikipedia.org/wiki/Nitrogen
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