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.
Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007.
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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 ...
Nitrogen is a Group 15 element. Nitrogen makes up about 78% of the
atmosphere by volume but the atmosphere of Mars contains less than 3%
The Element Nitrogen - Basic Physical and Historical Information.
chemical properties, health and environmental effects of nitrogen.
Nitrogen definition, a colorless, odorless, gaseous element that constitutes about
four-fifths of the volume of the atmosphere and is present in combined form in ...
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.
Nitrogen is a chemical element with the symbol N and atomic number of 7. Under
normal conditions nitrogen is a colorless, odorless and tasteless gas. Nitrogen ...
Discover the wide range of liquid nitrogen (N 2 ) and nitrogen gas purities and
concentrations available for purchase.