Neon
Noble gas| Atomic number | 10 |
|---|---|
| Category | Noble gas |
| Atomic mass | 20.18 |
| Electron configuration | [He]2s² 2p⁶ |
| Oxidation states | 0 |
| Melting point | -249 °C |
| Boiling point | -246 °C |
| Density | 0.001 g/cm³ |
| Crystal structure | Face-centred cubic |
| Group | 18 |
| Period | 2 |
| Block | p |
| Discovered | 1,898 |
| Crustal abundance | 0.005 ppm |