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Argento

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De Wikipedia, le encyclopedia libere
PalladiumArgentoCadmium
Apparentia
metallo lustre blanc
Proprietates atomic
Nomine, symbolo, numero Argento, Ag, 47
Serie chimic metallo de transition
Gruppo, periodo, bloco 10, 5, d
Configuration electronic [Kr] 5s1 4d10
Electronegativitate 1,93
Proprietates physic
Stato solid
Massa molar 107,8682 g·mol-1
Densitate 10,49 g·cm−3
Densitate liquide al p.f. 9,320 g·cm−3
Puncto de fusion 1234,93 K, 961,78 °C, 1763.2 °F
Puncto de ebullition 2435 K, 2162 °C, 3924 °F
Calor de fusion 11,28 kJ·mol-1
Calor de vaporisation 250,58 kJ·mol-1
Calor specific 25,350 J·mol-1·K-1
Resistivitate electric (20 °C) 15,87 nΩ·m
Conductivitate thermal 429 W·m-1·K-1
Expansion thermal (25 °C) 18,9 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.


Argento es un elemento chimic de symbolo Ag e numero atomic 47. Illo ha le conductivitates electric e thermal le plus alte de omne le elementos.

Argento ha longemente essite appreciate como un metallo preciose e es usate in le construction de ornamentos, joieles, utensiles, e numismas.

Nota
Nota








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