Cupro
Le cupro es un elemento chimic con symbolo Cu (ab le latino cuprum) e numero atomic 29.
Illo es un metallo ductile con conductivitate thermal e electric multo alte. Le cupro pur es molle e malleabile; le superficie exponite presenta un oxydation rubie-orange. Illo es usate como conductor de calor e electricitate, material constructional, e constituente de varie alligatos metallic.
| Nickel ← Cupro → Zinc | |
| Apparentia | |
 | |
| lustre rubie-orange metallic | |
| Proprietates atomic | |
| Nomine, symbolo, numero | Cupro, Cu, 29 |
| Serie chimic | metallo de transition |
| Gruppo, periodo, bloco | 11, 4, d |
| Configuration electronic | [Ar] 4s1 3d10 |
| Electronegativitate | 1,90 |
| Proprietates physic | |
| Stato | solido |
| Massa molar | 63,546 g·mol-1 |
| Densitate | 8,94 g/cm3 |
| Densitate liquide al p.f. | 8,02 g/cm3 |
| Puncto de fusion | 1357,77 K, 1084,62 °C, 1984.32 °F |
| Puncto de ebullition | 2835 K, 2562 °C, 4643 °F |
| Calor de fusion | 13,26 kJ·mol-1 |
| Calor de vaporisation | 300,4 kJ·mol-1 |
| Calor specific | 24,440 J·mol-1·K-1 |
| Resistivitate electric | (20 °C) 16,78 nΩ·m |
| Conductivitate thermal | 401 W·m-1·K-1 |
| Expansion thermal | (25 °C) 16,5 µm·m−1·K−1 |
| Velocitate de sono | (t.a.) 3810 m·s−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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