Europium vs Gadolinium
Pick up to 3 elements and see how they stack up.
| Property | Europium | Gadolinium |
|---|---|---|
| Atomic number | 63 | 64 |
| Atomic mass | 151.96 | 157.25 |
| Electronegativity | 1.2 | 1.2 |
| Melting point | 1,099 K (825.8 °C) | 1,585 K (1,311.8 °C) |
| Boiling point | 1,802 K (1,528.8 °C) | 3,546 K (3,272.8 °C) |
| Density | 5.264 g/cm³ | 7.9 g/cm³ |
| Atomic radius | 233 pm | 237 pm |
| Ionization energy | 5.67 eV | 6.15 eV |
| Discovered | 1901 | 1880 |
| Category | Lanthanide | Lanthanide |
| State at room temp. | Solid | Solid |
| Block | f | f |
| Group | — | — |
| Period | 6 | 6 |
| Valence electrons | 2 | 2 |
| Common charges | +2, +3 | +3 |
| Electron configuration | [Xe] 4f7 6s2 | [Xe] 4f7 5d1 6s2 |