Europium
From Wikipedia, the free encyclopedia
Europium es un elemento chimic de symbolo Sm e numero atomic 63.
Pecietta de chimia
Iste articulo es ancora in stato embryonic: illo es un pecietta. Nos te invita cordialmente a completar lo pro meliorar Wikipedia in interlingua.
| Samarium ← Europium → Gadolinium | |
| Apparentia | |
| |
| argentee blanc | |
| Proprietates atomic | |
| Nomine, symbolo, numero | Europium, Eu, 63 |
| Serie chimic | lanthanido |
| Gruppo, periodo, bloco | 3, 6, f |
| Configuration electronic | [Xe] 6s2 4f7 |
| Electronegativitate | 1,2? |
| Proprietates physic | |
| Stato | solido |
| Massa molar | 151,964 g·mol-1 |
| Densitate | 5,264 g·cm-3 |
| Densitate liquide al p.f. | 5,13 g·cm-3 |
| Puncto de fusion | 1099 K, 826 °C, 1519 °F |
| Puncto de ebullition | 1802 K, 1529 °C, 2784 °F |
| Calor de fusion | 9,21 kJ·mol-1 |
| Calor de vaporisation | 176 kJ·mol-1 |
| Calor specific | 27,66 J·mol-1·K-1 |
| Resistivitate electric | (t.a.) (poly) 900 nΩ·m |
| Conductivitate thermal | est. 13,9 W·m-1·K-1 |
| Expansion thermal | (t.a.) (poly) 35,0 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. | |
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