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Nitrogen - Wikipedia


Alchemists knew nitric acid as aqua fortis (strong water), as well as other nitrogen compounds such as ammonium salts and nitrate salts.

It's Elemental - The Element Nitrogen


The Element Nitrogen - Basic Physical and Historical Information.

Nitrogen - Element information, properties and uses | Periodic Table


Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007. Sources ... Nitrogen. Nitrogen Element - Visual Elements Periodic Table .... History ...

Facts About Nitrogen - Live Science


Dec 22, 2014 ... Nitrogen is essential to life on Earth. It is a component of all proteins and it can be found in all living systems. Nitrogen compounds are present ...

A Brief History of Our Deadly Addiction to Nitrogen Fertilizer | Mother ...


Apr 19, 2013 ... As investigators and rescuers move through a destroyed fertilizer factory in West, Texas, it makes me think about just what nitrogen fertilizer is, ...

Nitrogen - Periodic Table of Elements: Los Alamos National ...


History. From the Latin word nitrum, Greek Nitron, native soda; and genes, forming. Nitrogen was discovered by chemist and physician Daniel Rutherford in  ...

Chemistry for Kids: Elements - Nitrogen - Ducksters


Kids learn about the element nitrogen and its chemistry including atomic weight, atom, uses, ... Plus properties and characteristics of nitrogen. ... US State History

Nitrogen - Chemicool


The chemical element nitrogen is classed as a gas and a nonmetal. It was discovered in 1772 by Daniel Rutherford and independently by Carl Scheele.

The Natural History of Nitrogen Fixation


Dec 23, 2003 ... Our understanding of the phylogenetic history of nif genes has been ...... Molecular evolution of nitrogen fixation: the evolutionary history of the ...

Brief History of the Discovery of Nitrogen-fixing Organisms - UCLA ...


century when rhizobia were discovered. This brief account of the history of the discovery of the microbes responsible for converting atmospheric nitrogen into ...

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Nitrogen»historical information [WebElements Periodic Table]


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

The Explosive History of Nitrogen | Energy Foundations for High ...


Early efforts by the crew to extinguish the fire were unsuccessful. The fire soon raged out of control. At 9:12 a.m., the ammonium nitrate exploded, sending the ...

nitrogen (N) | chemical element | Britannica.com


Sep 5, 2013 ... History. About four-fifths of Earth's atmosphere is nitrogen, which was isolated and recognized as a specific substance during early ...