Element | Neon | Symbol | Ne |
Atomic Number | 10 | Molar Mass | 20.18 gmol-1 |
Electron Configuration | [He]2s22p6 | Normal State | gas nonmetal |
Density @STP | 0.9x10-3 g cm-3 | Melting Point | -249oC |
Boiling Point | -246oC | Stable Isotopes | 20Ne, 21Ne, 22Ne |
Atomic Radius | n/a pm | Ionic Radius | n/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 Capacity | 20.8 J K-1mol-1 | Standard Molar Entropy | 146.3 J K-1mol-1 |
Enthalpy of Fusion | 0.324 kJ mol-1 | Enthalpy of Vapourization | 1.736 kJ mol-1 |