Neon |
| Symbol | Ne |
|---|---|
| Latin name | Neon |
| Atomic number | 10 |
| Period | 2 |
| Element category | Noble gases |
| Relative atomic mass | 20.1797 |
| Group | VIII.A |
| Electron configuration | 1s2 2s2 2p6 |
| Density [g/cm3] | 0.0008999 |
| State | Gas |
| Melting point [°C] | -248.67 |
| Boiling point [°C] | -246.048 |
| Critical point [°C] | -228.75 |
| Critical pressure [MPa] | 2.76 |
| Atomic radius [pm] | 38 |
| Covalent radius [pm] | 69 |
| Thermal conductivity [W m-1K-1] | 0.0493 |
| Heat capacity [J K-1g-1] | 1.03 |
| Discovery | 1898 |
| 1.st ionization energy [eV] | 21.5645 |
| 2.nd ionization energy [eV] | 40.962 |
| 3.rd ionization energy [eV] | 63.45 |
| Stable isotopes | 3 |
| Unstable isotopes | 5 |