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Directory Sites
Animation, uses, physical information, and key isotopes.
www.chemsoc.org
Basic physical and historical information.
education.jlab.org
ChemicalElements.com: Nitrogen
Basic information, atomic structure, and table of isotopes.
www.chemicalelements.com
Numeric data, uses, and general information.
www.c-f-c.com
USGS Minerals Information: Nitrogen
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
minerals.usgs.gov
Data tables and historic information.
www.scescape.net
EnvironmentalChemistry.com: Nitrogen
Atomic structure, chemical and physical properties, and table of nuclides.
environmentalchemistry.com
Extensive information on history, uses, occurrence, compounds, and properties of the element.
www.webelements.com
Physical data, chemical properties, health and environmental effects.
www.lenntech.com
Properties of the element, including its history, applications, and characteristics.
en.wikipedia.org
History, sources, natural compounds, and ammonia.
periodic.lanl.gov
Electronic, thermal, and steric data along with basic facts and an isotope table.
partisans.spurious.biz