Carbon vs Radium
| Property | C Carbon | Ra Radium |
|---|---|---|
| Atomic number | 6 | 88 |
| Symbol | C | Ra |
| Name | Carbon | Radium |
| Category | nonmetal | alkaline-earth-metal |
| Standard Atomic Weight | 12.0106 u | 226 u |
| Period | 2 | 7 |
| Group | 14 | 2 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p2 | [Rn]7s2 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [2] |
| Electronegativity (Pauling) | 2.55 | 0.9 |
| Electron affinity | 1.2621 eV | 0.096 eV |
| Density | 2267 kg/m³ | 5000 kg/m³ |
| Melting point | 3549.85 °C | 699.85 °C |
| Boiling point | 3824.85 °C | 1139.85 °C |
| Discovery year | 1797 | 1898 |