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nitrogen

Nitrogen is a chemical element in the periodic table which has the symbol N and atomic number 7. Commonly a colorless, odorless, tasteless and mostly inert diatomic non-metal gas, nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues.

Wikipedia and Wikis

Nitrogen - Wikipedia
http://en.wikipedia.org/wiki/Nitrogen

Other

Schenectady County Community College – Nitrogen
http://www.sunysccc.edu/academic/mst/ptable/n.html
Los Alamos National Laboratory – Nitrogen
http://periodic.lanl.gov/elements/7.html
Nitrogen N2 Properties, Uses, Applications
http://www.uigi.com/nitrogen.html
WebElements.com – Nitrogen
http://www.webelements.com/webelements/elements/te ...
auto.howstuffworks.com
http://auto.howstuffworks.com/question594.htm
Computational Chemistry Wiki
http://box27.bluehost.com/~edsanvil/wiki/index.php ...
It's Elemental – Nitrogen
http://education.jlab.org/itselemental/ele007.html
cartalk.com
http://www.cartalk.com/content/columns/Archive/199 ...

Keywords and Synonyms

nitrogen, Element 7, Nitrogen/Temp, Azote, Liquid nitrogen, Nitrogen gas, LN2, Dinitrogen, Nitrum, Nitron, Noxious air, Burnt air, Phlogisticated air, Nitrogenous, N₂