Periodic Table of Elements showing Neon noble gas elements


Atomic Number10
Molar Mass20.18 gmol-1
Electron Configuration[He]2s22p6
Normal Stategas nonmetal
Density @STP0.9x10-3 g cm-3
Melting Point-249oC
Boiling Point-246oC
Stable Isotopes20Ne, 21Ne, 22Ne
Atomic Radiusn/a pm
Ionic Radiusn/a pm
Electronegativity (Pauling)n/a
Ionization Energy (1st)2081 kJ mol-1
Ionization Energy (2nd)3952 kJ mol-1
Ionization Energy (3rd)6122 kJ mol-1
Molar Heat Capacity20.8 J K-1mol-1
Standard Molar Entropy146.3 J K-1mol-1
Enthalpy of Fusion0.324 kJ mol-1
Enthalpy of Vapourization1.736 kJ mol-1
[Back to Periodic table]

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