Thulium
Apparentia
Erbium ← Thulium → Ytterbium | |
Apparentia | |
argentee gris | |
Proprietates atomic | |
Nomine, symbolo, numero | Thulium, Tm, 69 |
Serie chimic | lanthanido |
Gruppo, periodo, bloco | 3, 6, f |
Configuration electronic | [Xe] 6s2 4f13 |
Electronegativitate | 1,25 |
Proprietates physic | |
Stato | solido |
Massa molar | 168,93421 g·mol-1 |
Densitate | 9,32 g·cm-3 |
Densitate liquide al p.f. | 8,56 g·cm-3 |
Puncto de fusion | 1818 K, 1545 °C, 2813 °F |
Puncto de ebullition | 2223 K, 1950 °C, 3542 °F |
Calor de fusion | 16,84 kJ·mol-1 |
Calor de vaporisation | 247 kJ·mol-1 |
Calor specific | 27,03 J·mol-1·K-1 |
Resistivitate electric | (t.a.) (poly) 676 nΩ·m |
Conductivitate thermal | 16,9 W·m-1·K-1 |
Expansion thermal | (t.a.) (poly) 13,3 µm·m-1·K-1 |
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario. | |
Thulium es un elemento chimic de symbolo Tm e numero atomic 69.