Nitrogen
Symbol
N
Atomic Number
7
Atomic Weight
14.00674
Element Classification
Discovered By
Daniel Rutherford
Discovery Date
1772 (Scotland)
Name Origin
Greek: nitron and genes, (soda forming).
Density (g/cc)
0.808 (@ -195.8°C)
Melting Point (K)
63.29
Boiling Point (K)
77.4
Appearance
Colorless, odorless, tasteless, and generally inert gas
Atomic Radius (pm)
92
Atomic Volume (cc/mol)
17.3
Covalent Radius (pm)
75
Ionic Radius
13 (+5e) 171 (-3e)
Specific Heat
1.042 (N-N)
Fusion Heat (kJ/mol)
n/a
Evaporation Heat (kJ/mol)
n/a
Thermal Conductivity (@25°C W/m K)
0.026
Debye Temperature (K)
n/a
Pauling Negativity Number
3.04
First Ionizing Energy (kJ/mol)
1401.5
Oxidation States
5, 4, 3, 2, -3
Electronic Configuration
[He] 2s2 2p3
Lattice Structure
Hexagonal(HEX)
Lattice Constant
4.039
Lattice C/A Ratio
1.651
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