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Nitrogen - Wikipedia

en.wikipedia.org/wiki/Nitrogen

Nitrogen is a chemical element with symbol N and atomic number 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772.

Nitrogen - Element information, properties and uses | Periodic Table

www.rsc.org/periodic-table/element/7/nitrogen

Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

It's Elemental - The Element Nitrogen

education.jlab.org/itselemental/ele007.html

The Element Nitrogen - Basic Physical and Historical Information.

Chemical Elements.com - Nitrogen (N)

www.chemicalelements.com/elements/n.html

Basic information, atomic structure, and table of isotopes.

Facts About Nitrogen - Live Science

www.livescience.com/28726-nitrogen.html

Dec 22, 2014 ... Named after the Greek word nitron, for "native soda," and genes for "forming," nitrogen is the fifth most abundant element in the universe.

Nitrogen»historical information [WebElements Periodic Table]

www.webelements.com/nitrogen/history.html

This WebElements periodic table page contains historical information for the element nitrogen.

#7 - Nitrogen - N

www.hobart.k12.in.us/ksms/PeriodicTable/nitrogen.htm

Compounds of nitrogen were known in the middle ages. It makes up about ... It is estimated to be the 7th most abundant chemical element in our universe.

Chemistry for Kids: Elements - Nitrogen - Ducksters

www.ducksters.com/science/chemistry/nitrogen.php

Kids learn about the element nitrogen and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of  ...

Chem4Kids.com: Nitrogen: General Info and Everyday Items

www.chem4kids.com/files/elements/007_speak.html

The second of the big three elements in row two is nitrogen (N). Nitrogen is the seventh element of the periodic table. It is located between carbon (C) and ...