What are the physical and chemical properties of nitrogen?
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Nitrogen gas (chemical symbol N) is generally inert, nonmetallic, colorless, odorless and tasteless. Its atomic number is 7, and it has an atomic weight of 14.0067. Nitrogen has a density of 1.251 grams/liter at 0 C and a specific gravity of 0.96737, making it slightly lighter than air. At a temperature of -210.0 C (63K) and a ressure of 12.6 kilopascals, nitrogen reaches its triple point (the point an element can exist in gaseous, liquid and solid forms simultaneously).
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