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Nitrogen


2
7
14.00674
KEY
Chemical Element Symbol Key

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Nitrogen
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Symbol: N
Atomic Number: 7
Atomic Weight: 14.00674
Element Classification: Non-Metal
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 (@20°C J/g mol): 1.042 (N-N)
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): n/a
Thermal Conductivity (@25°C W/m K):
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 (Å): 4.039
Lattice C/A Ratio: 1.651


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