Terbium vs Dysprosium
Pick up to 3 elements and see how they stack up.
| Property | Terbium | Dysprosium |
|---|---|---|
| Atomic number | 65 | 66 |
| Atomic mass | 158.93 | 162.5 |
| Electronegativity | 1.2 | 1.22 |
| Melting point | 1,629 K (1,355.8 °C) | 1,680 K (1,406.8 °C) |
| Boiling point | 3,503 K (3,229.8 °C) | 2,840 K (2,566.8 °C) |
| Density | 8.23 g/cm³ | 8.54 g/cm³ |
| Atomic radius | 221 pm | 229 pm |
| Ionization energy | 5.864 eV | 5.939 eV |
| Discovered | 1843 | 1886 |
| Category | Lanthanide | Lanthanide |
| State at room temp. | Solid | Solid |
| Block | f | f |
| Group | — | — |
| Period | 6 | 6 |
| Valence electrons | 2 | 2 |
| Common charges | +3 | +3 |
| Electron configuration | [Xe] 4f9 6s2 | [Xe] 4f10 6s2 |