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Cupro




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Un disco de cupro (99.95% pur).







































Nickel ← Cupro → Zinc
Apparentia

NatCopper.jpg
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.




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.



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