Nitrogen

7
N
14.00674(7)

nitrogenexample.gif.gif (7166 bytes)
Nitrogen is used in Cryogenic Nitrogen Pressure Tanks.
 

Properties

Symbol Name Atomic Number Atomic Weight Group Number
N nitrogen 7 14.00674(7) 15

Description

Standard State: gas at 298 K
Color: colorless

Nitrogen makes up 78% of the earth's atmosphere, by volume.  When nitrogen is a liquid, it is colorless and odorless making it look similar to water.  Nitrogen is used primary as a coolant; most commonly used in rockets and as a refrigerant in food storage.