Magnesium vs Cerium
| Property | Mg Magnesium | Ce Cerium |
|---|---|---|
| Atomic number | 12 | 58 |
| Symbol | Mg | Ce |
| Name | Magnesium | Cerium |
| Category | alkaline-earth-metal | lanthanide |
| Standard Atomic Weight | 24.3055 u | 140.116 u |
| Period | 3 | 6 |
| Group | 2 | N/A |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s2 | [Xe]6s24f15d1 |
| Oxidation states | [0, 1, 2] | [1, 2, 3, 4] |
| Electronegativity (Pauling) | 1.31 | 1.12 |
| Electron affinity | -0.4 eV | 0.955 eV |
| Density | 1740 kg/m³ | 6770 kg/m³ |
| Melting point | 649.85 °C | 797.85 °C |
| Boiling point | 1089.85 °C | 3423.85 °C |
| Discovery year | 1755 | 1801 |