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Liquid Nitrogen Being Poured
Charles D Winters
Photograph - Photograph
Nitrogen is a chemical element which has the symbol N and atomic number 7. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78.1% by volume of Earth's atmosphere. Nitrogen is a constituent element of all living tissues and amino acids. Many industrially important compounds, such as ammonia, nitric acid, and cyanides, contain nitrogen.
May 8th, 2013
Viewed 156 Times - Last Visitor from London, Surrey - United Kingdom on 08/29/2014 at 8:07 AM
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