Infobox neon

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Template:Infobox element/2023 taskforce isobox reuse

Neon, 10Ne
Template:Infobox element/symbol-to-top-image/alt
PronunciationTemplate:Infobox element/pronunciation
AllotropesTemplate:Infobox element/symbol-to-allotropes
Appearancecolorless gas exhibiting an orange-red glow when placed in an electric field
Mass numberTemplate:Infobox element/symbol-to-most-stable-isotope
Neon in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)10
GroupTemplate:Infobox element/symbol-to-group
PeriodTemplate:Infobox element/symbol-to-period
BlockTemplate:Infobox element/block format
Electron configurationTemplate:Infobox element/symbol-to-electron-configuration
Electrons per shell2, 8
Physical properties
Phase at STPTemplate:Infobox element/symbol-to-phase
Melting point24.56 K ​(−248.59 °C, ​−415.46 °F)
Boiling point27.104 K ​(−246.046 °C, ​−410.883 °F)
Density (at STP)0.9002 g/L
when liquid (at b.p.)1.207 g/cm3[1]
Triple point24.556 K, ​43.37 kPa[2][3]
Critical point44.4918 K, 2.7686 MPa[3]
Heat of fusion0.335 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]1.71 kJ/mol
Molar heat capacity20.79[4] J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]]
Atomic properties
Oxidation statesTemplate: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 radius58 pm
Van der Waals radius154 pm
Template:Infobox element/spectral lines
Other properties
Natural occurrenceTemplate:Infobox element/symbol-to-occurrence
Crystal structureTemplate:Infobox element/crystal structure
Speed of sound435 m/s (gas, at 0 °C)
Thermal conductivity49.1×10−3 W/(m⋅K)
Magnetic orderingdiamagnetic[5]
Molar magnetic susceptibility−6.74×10−6 cm3/mol (298 K)[6]
Bulk modulus654 GPa
CAS Number7440-01-9
PredictionWilliam Ramsay (1897)
Discovery and first isolationWilliam Ramsay & Morris Travers[7][8] (1898)
SymbolTemplate:Infobox element/symbol-to-symbol-etymology
Main isotopes of neon
Template:infobox neon isotopes does not exist
| references

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="CIAAW2013" /> 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
  1. Template:Cite book
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  3. 3.0 3.1 Template:RubberBible92nd
  4. Shuen-Chen Hwang, Robert D. Lein, Daniel A. Morgan (2005). "Noble Gases". in Kirk Othmer Encyclopedia of Chemical Technology, pages 343–383. Wiley. Template:Doi
  5. Magnetic susceptibility of the elements and inorganic compounds, in Template:RubberBible86th
  6. Template:Cite book
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