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  • Posted By: 3780_apple
  • Date Posted: 02/22/2011
  • Category: Science
  • Words: 655
  • Pages: 3
  • Views: 570
  • Rank: 763

Nitrogen

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Nitrogen

Nitrogen is a pure substance of gas that we breathe in every of our daily life . It is colorless so we could not notice it in the air . I t is not dangerous for our body , but if it is nitrogen oxide this gas can damage or kill our breathing. It’s symbol is N.


The element of it is thirty three element in the abundance in the earth’s crust. Moreover, the nitrogen ‘s atom has seven protons and seven electrons in and around the nucleus , they are positively charge and negatively charge The atomic number of it is number 7.Nitrogen has 2 shells the inner shell which contains two and the outer shell contains five .This is because normally the nitrogen’s atom outer can be able to hold only eight electrons since the atoms could be bond or join together with the others three electrons.


Thus, Nitrogen is the most abundant element in Earth’s atmosphere. It is used to produces many kinds of useful things like medicines to cure the ill people , dyes, and also explosives. Talking about its family , According to the periodic table , nitrogen is the top vertical column which is known as family or group 15 .The nitrogen atomic weight is 14.00067.


The Nitrogen gas is made up of 78 percent of air we breathe in . It is called an diatomic meaning of two atom or element .(N2) When the two atoms of N2 it si known as dinitrogen which is fixed together in three bonds. Therefore, it shares three electrons with the other atom.The properties of it is very strong, makning the nitrogen of an molecule still and it is also unlikely th react with other atoms.The nitrogen gas is used to save other substances around them ...

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