Nitrogen

       Nitrogen

Definition :- a colorless, odorless, gaseous element that constitutes about four-fifths of the volume of the atmosphere and is present in combined form in animal and vegetable tissues, especially in proteins: used chiefly in the manufacture of ammonia, nitric acid, cyanide, explosives, fertilizer, dyes, as a cooling agent, etc.

 Symbol: N₂ , atomic weight: 14.0067 ,  atomic number:  7 , density: 1.2506 g/l at 0°C and 760 mm pressure.

Physical and chemical properties

Appearance : Color less.

Odor : Oder less.

Molecular weight :  28 g / mole.

Molecular formula : N₂ .

Boiling point : 195.8 ° c.

Malting point : 210 ° c.

Solubility : Soluble in water.

Storage :

Medical and Pharmaceutical Uses :-

                                                                                                                                                 i.            Prevention of time and organism.

                                                                                                                                              ii.            Malignant growths.

                                                                                                                                           iii.            Treatment of cysts in acne.