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ccolorless HHas 4 isotopes IInert gas ! TTasteless oodorless.

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Presentation on theme: "ccolorless HHas 4 isotopes IInert gas ! TTasteless oodorless."— Presentation transcript:

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2 ccolorless HHas 4 isotopes IInert gas ! TTasteless oodorless

3  Nitrogen gas (N 2 ) makes up 78.1% of the volume of the Earth's air.  Nitrogen is a nonmetal  Nitrogen compounds are found in foods, fertilizers, poisons, and explosives. Your body is 3% nitrogen by weight.  Nitrogen is responsible for the orange-red, blue-green, blue-violet, and deep violet colors of the aurora.  Number of Protons/Electrons in Nitrogen : 7

4  Nitrogen is absolutely essential to all living organisms.  Nitrogen is also used to make up nucleic acids which store an organism's genetic information. . Nitrogen gas is not toxic, but, in principle, pure nitrogen could asphyxiate the body by denying it access to oxygen.

5  Nitrogen gas makes up about 78% of the atmosphere on Earth but only 3% of the atmosphere on Mars.  The word "Nitrogen" means, "giving rise to niter." Niter is a substance rich in Nitrogen, and was discovered before Nitrogen was.

6  Nitrogen is a fairly common element in the Earth's crust. . Liquid nitrogen is used by the oil industry to build up pressure in wells to force crude oil upward.  It is also possible to buy large containers of liquid nitrogen which can be used to freeze materials like food.


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