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Thallium ← Plumbo → Bismuth | |
Apparentia | |
gris metallic | |
Proprietates atomic | |
Nomine, symbolo, numero | Plumbo, Pb, 82 |
Serie chimic | metallo de post-transition |
Gruppo, periodo, bloco | 14, 6, p |
Configuration electronic | [Xe] 6s2 4f14 5d10 6p2 |
Electronegativitate | 2,33 |
Proprietates physic | |
Stato | solido |
Massa molar | 207,2 g·mol-1 |
Densitate | 11,34 g·cm-3 |
Densitate liquide al p.f. | 10,66 g·cm-3 |
Puncto de fusion | 600,61 K, 327,46 °C, 621.43 °F |
Puncto de ebullition | 2022 K, 1749 °C, 3180 °F |
Calor de fusion | 4,77 kJ·mol-1 |
Calor de vaporisation | 179,5 kJ·mol-1 |
Calor specific | 26,650 J·mol-1·K-1 |
Resistivitate electric | (20 °C) 208 nΩ·m |
Conductivitate thermal | 35,3 W·m-1·K-1 |
Expansion thermal | (25 °C) 28,9 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. | |
Plumbo es un elemento chimic de symbolo Pb e numero atomic 82.
Plumbo es un metallo pesante toxic. Illo es ductile e ha un puncto de fusion relativemente basse de 327 °C.