Symbol
N
Atomic Number
7
Atomic Mass
14.007
Protons
7
Neutrons
7
Electrons
7
Type
Non-metal
Isotopes
Nitrogen-14, Nitrogen-15
Discovery Year
1772
Discovered By
Daniel Rutherford
Group
15
Period
2
Boiling Point
-320°F
Melting Point
-346°F
Electron Configuration
[He] 2s² 2p³
Density (g/cm³)
0.0012506
Crystal Structure
Hexagonal
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.002%
Phase at Room Temperature
Gas