Cite
 

Neon


2
10
20.1797
KEY
Chemical Element Symbol Key

SEE ALSO
Neon
Columbia Encyclopedia
PREVIOUS
NEXT
Sodium (Na)
Symbol: Ne
Atomic Number: 10
Atomic Weight: 20.1797
Element Classification: Inert Gas
Discovered By: Sir William Ramsey, M.W. Travers
Discovery Date: 1898 (England)
Name Origin: Greek: neos (new).
Density (g/cc): 1.204 (@ -246°C)
Melting Point (K): 48
Boiling Point (K): 27.1
Appearance: Colorless, odorless, tasteless gas
Atomic Radius (pm): n/a
Atomic Volume (cc/mol): 16.8
Covalent Radius (pm): 71
Ionic Radius: n/a
Specific Heat (@20°C J/g mol): 1.029
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): 1.74
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): 63.00
Pauling Negativity Number: 0.0
First Ionizing Energy (kJ/mol): 2079.4
Oxidation States: n/a
Electronic Configuration: [He] 2s2 2p6
Lattice Structure: Face-Centered Cubic (FCC
Lattice Constant (Å): 4.430
Lattice C/A Ratio: n/a


Back to: periodic table