Nitrogen (N)

Makes up about 78% of Earth's atmosphere.

Liquid nitrogen boils at -196 degrees Celsius.

Element properties

Atomic number
7
Symbol
N
Atomic mass
14.007 u
Category
Nonmetal
Period
2
Group
15
Block
p
State
Gas
Electron configuration
[He] 2s2 2p3
Electronegativity (Pauling)
3.04
Density
0.0012506 g/cm³
Melting point
-210.1 °C
Boiling point
-195.8 °C

Uses