The existence of nitrogen is formally considered to have been discovered by
Scottish physician Daniel Rutherford in 1772 ...
The Element Nitrogen - Basic Physical and Historical Information.
Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007.
Sources ... Nitrogen. Nitrogen Element - Visual Elements Periodic Table ....
History. About four-fifths of Earth's atmosphere is nitrogen, which was isolated
and recognized as a specific substance during early investigations of the air.
Kids learn about the element nitrogen and its chemistry including atomic weight,
atom, uses, ... Plus properties and characteristics of nitrogen. ... US State History
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 ...
Triton's nitrogen geysers push black particles miles above the surface. These are
blown by winds on Triton and form black deposits on the satellite's surface.
Mol Biol Evol. 2004 Mar;21(3):541-54. Epub 2003 Dec 23. The natural history of
nitrogen fixation. Raymond J(1), Siefert JL, Staples CR, Blankenship RE.
Dec 23, 2003 ... In recent years, our understanding of biological nitrogen fixation has been
bolstered by a diverse array of scientific techniques. Still, the origin ...
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