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Nitrogen
Nitrogen is the 30th most richer element on earth. Considering that nitrogen accounts for 4/5, that is, more than 78% of the atmosphere, we can simply use unlimited nitrogen. Nitrogen is also present in a variety of minerals in a variety of minerals in a nitrate, such as chilean nittum (sodium nitrate), nitrite or nitrock (potassium nitrate) and mineral containing ammonium salts. Nitrogen is in many complex organic molecules, including proteins and amino acids present in all living organisms.
Nitrogen, chemical formula is n₂, which is a colorless tasteless gas. Nitrogen chemical properties are very norful, tonify and hydrogen in high pressure pressure and catalyst conditions are generated; in the case of discharge, dry oxygen is combined into nitric oxide; even if Ca, Mg, SR and Ba include vivid metals such as Ca, Mg, SR and Ba Terring with its reaction under heating sight. This high chemical stability of nitrogen is related to its molecular structure. 2 N atoms combined with a nitrogen molecule, including 1 σ bonds and 2 π bonds, due to the primary proportional π bond in the chemical reaction, and the energy level ratio σ key in the n₂ molecule is low. Open the π key difficult, thus make N₂ difficult to participate in chemical reactions.
