Dysprosium vs Holmium
Pick up to 3 elements and see how they stack up.
| Property | Dysprosium | Holmium |
|---|---|---|
| Atomic number | 66 | 67 |
| Atomic mass | 162.5 | 164.93 |
| Electronegativity | 1.22 | 1.23 |
| Melting point | 1,680 K (1,406.8 °C) | 1,734 K (1,460.8 °C) |
| Boiling point | 2,840 K (2,566.8 °C) | 2,993 K (2,719.8 °C) |
| Density | 8.54 g/cm³ | 8.79 g/cm³ |
| Atomic radius | 229 pm | 216 pm |
| Ionization energy | 5.939 eV | 6.022 eV |
| Discovered | 1886 | 1878 |
| 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] 4f10 6s2 | [Xe] 4f11 6s2 |