|
| Atomic Number | 67 |
|
| Atomic Symbol | Ho |
|
| Atomic Weight | 164.93032 amu |
|
| Group | Rare Earth (Lanthanide Series) |
|
| Form | Solid |
|
| Density @ STP | 8.80 g/cm3 |
|
| Melting Point | 1474 °C (2685.2 °F, 1747.15 °K) |
|
| Boiling Point | 2700 °C ( 4892°F, 2973.15°K) |
|
| Heat of Fusion | 17.0 kJ/mol (est.) |
|
| Heat of Vaporization | 265 kJ/mol |
|
| First Ionization Potential | 6.0216 eV |
|
| Electronegativity (on Pauling scale) | 1.23 |
|
| Specific Heat Capacity | 0.165 J/g K |
|
| Ground State Electron Configuration | 4f11 5s2 5p6 6s2 |
|
| Oxidation States | +3 |
|
| Stable Isotopes and Natural Abundance on Earth | 165Ho, 100% |
|
| Atomic Radius | 226 pm |
|
| Crystal Structure | Hexagonal |
|
| Discovered by | Soret; Delafontaine, 1878 |
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