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Holmium
| Dysprosium ← Holmium → Erbium | |
| Apparentia | |
| |
| argentee blanc | |
| Proprietates atomic | |
| Nomine, symbolo, numero | Holmium, Ho, 67 |
| Serie chimic | lanthanido |
| Gruppo, periodo, bloco | 3, 6, f |
| Configuration electronic | [Xe] 6s2 4f11 |
| Electronegativitate | 1,23 |
| Proprietates physic | |
| Stato | solido |
| Massa molar | 164,93032 g·mol-1 |
| Densitate | 8,79 g·cm-3 |
| Densitate liquide al p.f. | 8,34 g·cm-3 |
| Puncto de fusion | 1734 K, 1461 °C, 2662 °F |
| Puncto de ebullition | 2993 K, 2720 °C, 4928 °F |
| Calor de fusion | 17,0 kJ·mol-1 |
| Calor de vaporisation | 265 kJ·mol-1 |
| Calor specific | 27,15 J·mol-1·K-1 |
| Resistivitate electric | (t.a.) (poly) 814 nΩ·m |
| Conductivitate thermal | 16,2 W·m-1·K-1 |
| Expansion thermal | (t.a.) (poly) 11,2 µm·m-1·K-1 |
| Velocitate de sono | (20 °C) 2760 m·s−1 |
| Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario. | |
Holmium es un elemento chimic de symbolo Ho e numero atomic 67.
Pecietta de chimia
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