Wednesday, February 9, 2011

Wan Wei Ren (31)


Nitric Oxide

Nitric OxideàNitrogen + Oxygen (NO)

Nitric Oxide is a polar covalent bond. Nitric Oxide is a covalent bond because it is made up of 1 atom of Nitrogen and Oxygen each and since Nitrogen has 5 valence electrons and Oxygen has 6 valance electrons, they form a covalent bond by sharing electrons. Nitric Oxide is a polar bond because electrons are unequally shared.

Nitric Oxide is made up of Nitrogen and Oxygen. Nitrogen (N) has an atomic number of 7 and atomic mass of 14.00674 u. It is a colorless, odorless and tasteless gas. Nitrogen is generally unreactive at standard temperature and pressure and it is used to preserve packaged food, used to produce many electrical parts such as transistors, diodes and integrated circuits, and used to make stainless steel. Oxygen (O) has an atomic number of 8. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless, odorless, tasteless diatomic gas with the formula for O2. Oxygen is used for combustion and welding and melting.  Nitric oxide is formed from nitrogen and oxygen by the action of electric sparks or high temperatures or, more conveniently, by the action of dilute nitric acid upon copper or mercury.

Dot and cross diagram below

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