Carbon vs Rhenium
| Property | C Carbon | Re Rhenium |
|---|---|---|
| Atomic number | 6 | 75 |
| Symbol | C | Re |
| Name | Carbon | Rhenium |
| Category | nonmetal | transition-metal |
| Standard Atomic Weight | 12.0106 u | 186.207 u |
| Period | 2 | 6 |
| Group | 14 | 7 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p2 | [Xe]6s24f145d5 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-3, -1, 0, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 2.55 | 1.9 |
| Electron affinity | 1.2621 eV | 0.15 eV |
| Density | 2267 kg/m³ | 2.080000e+4 kg/m³ |
| Melting point | 3549.85 °C | 3185.85 °C |
| Boiling point | 3824.85 °C | 5595.85 °C |
| Discovery year | 1797 | 1925 |