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Posts Tagged ‘lighter than air’

Nitrogen

By admin • Mar 17th, 2008 • Category: Uncategorized

NITROGEN
Nitrogen is a colourless gaseous element, and belongs to the group V of the periodic table. It is diatomic and relatively inert. It occurs in air and is an essential constituent of proteins and nucleic acids. In the combined state it is found as nitrates and ammonium compounds. It is charecterised by

Atomic […]