Symbol: NAtomic Number: 7Atomic Weight: 14.007Classification: Gas and nonmetalPhase at Room Temperature: GasDensity: 1.251 g/L

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0°CMelting Point: -210.00°C, -346.00°FBoiling Point: -195.79°C, -320.33°FDiscovered by: Daniel Rutherford in 1772Nitrogen is the an initial element in obelisk 15 of the routine table. It is part of the group of "other" nonmetal elements. Nitrogen atoms have seven electrons and 7 proton with five electrons in the external shell.Nitrogen plays critical role in the life the plants and also animals on earth through the nitrogen cycle. Click here to learn much more about the nitrogen cycle.Characteristics and also PropertiesUnder standard problems nitrogen is a colorless, tasteless, odorless gas. It creates diatomic molecules, which way that there are two nitrogen atoms every molecule in nitrogen gas (N2). In this configuration nitrogen is an extremely inert, an interpretation that it doesn"t commonly react with other compounds.Nitrogen becomes a liquid at -210.00 degrees C. Liquid nitrogen looks favor water.Common compounds through nitrogen atoms include ammonia (NH3), nitrous oxide (N2O), nitrites, and nitrates. Nitrogen is likewise found in organic compounds such together amines, amides, and also nitro groups.Where is nitrogen found on Earth?Although we regularly refer to the air us breathe as "oxygen", the many common aspect in our air is nitrogen. The Earth"s environment is 78% nitrogen gas or N2.
Even though there is so lot nitrogen in the air, there is very small in the Earth"s crust. It have the right to be discovered in some reasonably rare minerals such together saltpeter.Nitrogen can likewise be discovered in every living organisms on earth including plants and animals. That plays an essential role in proteins and nucleic acids.How is nitrogen used today?
The primary commercial use the nitrogen is to do ammonia. The process by i beg your pardon nitrogen is provided to make ammonia is called the Haber process where nitrogen and also hydrogen are linked to do NH3 (ammonia). Ammonia is then provided to produce fertilizers, nitric acid, and also explosives.Many explosives contain nitrogen such together TNT, nitroglycerin, and also gun powder.Some applications for nitrogen gas include the conservation of fresh foods, the manufacturing of stainless steel, reduce fire hazards, and as part of the gas in incandescent irradiate bulbs.Liquid nitrogen is offered as a refrigerant to save things cold. That is also used in the cryopreservation of biological samples and also blood. Scientists regularly use liquid nitrogen once performing low temperature scientific research experiments.How was it discovered?Nitrogen was very first isolated by Scottish chemist Daniel Rutherford in 1772. He referred to as the gas "noxious air."Where go nitrogen get its name?Nitrogen was named by French chemist Jean-Antoine Chaptal in 1790. He named it after ~ the mineral niter once he uncovered that niter included the gas. Niter is likewise called saltpeter or potassium nitrate.IsotopesThere space two secure isotopes that nitrogen: nitrogen-14 and nitrogen-15. End 99% that the nitrogen in the world is nitrogen-14.Interesting Facts about NitrogenLiquid nitrogen is an extremely cold and also will automatically freeze skin on contact causing major damage and frostbite.It is believed to be about the seventh most abundant facet in the world by mass.Nitrogen is the fourth most abundant element in the human body by mass. It accounts for about three percent that the mass of the human body.It is produced deep within stars by a process called fusion.Nitrogen plays vital role in DNA molecules.
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