Template:Infobox neon

Neon,  ₁₀Ne

Template:Infobox element/symbol-to-top-image-caption
General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	colorless gas exhibiting an orange-red glow when placed in an electric field
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Neon in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)	10
Group	Template:Infobox element/group
Period	period 2
Block	p-block
Element category	Template:Infobox element/category format
Electron configuration	[He] 2s2 2p6
Electrons per shell	2, 8
Physical properties
Phase at STP	gas
Melting point	24.56 K ​(−248.59 °C, ​−415.46 °F)
Boiling point	27.104 K ​(−246.046 °C, ​−410.883 °F)
Density (at STP)	0.9002 g/L
when liquid (at b.p.)	1.207 g/cm3
Triple point	24.556 K, ​43.37 kPa
Critical point	44.4918 K, 2.7686 MPa
Heat of fusion	0.335 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]	1.71 kJ/mol
Molar heat capacity	20.79 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]] Template:Infobox element/vapor pressure table
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
[[Ionization energy|Template:Engvar energies]]	1st: 2080.7 kJ/mol 2nd: 3952.3 kJ/mol 3rd: 6122 kJ/mol (more)
Covalent radius	58 pm
Van der Waals radius	154 pm
Template:Infobox element/spectral lines
Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Speed of sound	435 m/s (gas, at 0 °C)
Thermal conductivity	49.1×10−3 W/(m·K)
Magnetic ordering	diamagnetic
Magnetic susceptibility	−6.74·10−6 cm3/mol (298 K)
Bulk modulus	654 GPa
CAS Number	7440-01-9
History
Prediction	William Ramsay (1897)
Discovery and first isolation	William Ramsay & Morris Travers (1898)
Main isotopes of neon
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Template:Infobox element/element navigation Template:Template reference list Four of these are named references. They may be cited in the containing article as

• <ref name="CIAAW2016" /> for the source Atomic weights of the elements 2013 (from subtemplates used by {{Infobox element}})
• <ref name="CRC" /> for the source by Hammond
• <ref name="ITS90" /> for the source by Preston-Thomas
• <ref name="b92" /> for the source by Haynes