Neon vs Chromium
| Property | Ne Neon | Cr Chromium |
|---|---|---|
| Atomic number | 10 | 24 |
| Symbol | Ne | Cr |
| Name | Neon | Chromium |
| Category | noble-gas | transition-metal |
| Standard Atomic Weight | 20.1797 u | 51.9961 u |
| Period | 2 | 4 |
| Group | 18 | 6 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p6 | [Ar]3d54s1 |
| Oxidation states | [0] | [-4, -2, -1, 0, 1, 2, 3, 4, 5, 6] |
| Electronegativity (Pauling) | N/A | 1.66 |
| Electron affinity | -1.2 eV | 0.675 eV |
| Density | 0.8999 kg/m³ | 7150 kg/m³ |
| Melting point | -248.59 °C | 1906.85 °C |
| Boiling point | -246.05 °C | 2670.85 °C |
| Discovery year | 1898 | 1797 |