Magnesium vs Radon
| Property | Mg Magnesium | Rn Radon |
|---|---|---|
| Atomic number | 12 | 86 |
| Symbol | Mg | Rn |
| Name | Magnesium | Radon |
| Category | alkaline-earth-metal | noble-gas |
| Standard Atomic Weight | 24.3055 u | 222 u |
| Period | 3 | 6 |
| Group | 2 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ne]3s2 | [Xe]6s24f145d106p6 |
| Oxidation states | [0, 1, 2] | [0, 2, 6] |
| Electronegativity (Pauling) | 1.31 | N/A |
| Electron affinity | -0.4 eV | -0.7 eV |
| Density | 1740 kg/m³ | 9.73 kg/m³ |
| Melting point | 649.85 °C | -71.15 °C |
| Boiling point | 1089.85 °C | -61.7 °C |
| Discovery year | 1755 | 1900 |