7
14.007 u
N
Nitrogen
Nonmetal
Atomic Structure
Physical State
Group
15
Period
2
Block
p
Electron Configuration
[He] 2s² 2p³
Physical Properties
Atomic Mass:
14.007 u
Electronegativity:
3.04
Atomic Radius:
155 pm
Ionization Energy:
14.534 eV
Density:
0.0012506 g/cm³
Melting Point:
63.15 K
Boiling Point:
77.36 K
Historical Information
Discovered By:
Daniel Rutherford
Year Discovered:
1772