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Osmium

Non revidite
De Wikipedia, le encyclopedia libere
RheniumOsmiumIridium
Apparentia
argentee, blau tinta
Proprietates atomic
Nomine, symbolo, numero Osmium, Os, 76
Serie chimic metallo de transition
Gruppo, periodo, bloco 8, 6, d
Configuration electronic [Xe] 6s2 4f14 5d6
Electronegativitate 2,2
Proprietates physic
Stato solido
Massa molar 190,23 g·mol-1
Densitate 22,59 g·cm-3
Densitate liquide al p.f. 20 g·cm-3
Puncto de fusion 3306 K, 3033 °C, 5491 °F
Puncto de ebullition 5285 K, 5012 °C, 9054 °F
Calor de fusion 57,85 kJ·mol-1
Calor de vaporisation 738 kJ·mol-1
Calor specific 24,7 J·mol-1·K-1
Resistivitate electric (0 °C) 81,2 nΩ·m
Conductivitate thermal 87,6 W·m-1·K-1
Expansion thermal (25 °C) 5,1 µm·m-1·K-1
Velocitate de sono (20 °C) 4940 m·s−1
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario.


Osmium es un elemento chimic de symbolo Os e numero atomic 76.

Nota
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