Nitrogen

Synonyms: None

Symbol: N

Atomic mass: 14.0067

Element number 7 in the Periodic Table. Valence number: 3 and 5. Electronegativity: 3.01

MP= -210^o C; BP=-195,8^o C; density: kg/m³; CAS-number: 7727-37-9 (for dinitrogen);

Liquid nitrogen is widely used in laboratories and industry as a cooling gas, in addition nitrogen is used as a packaging gas in the food industry (E number: E 941). Nitrogen is the most abundant gas in the atmosphere.

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