Molybdeno

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NiobiumMolybdenoTechnetium
Apparentia
Molybdenum crystaline fragment and 1cm3 cube.jpg
gris metallic
Proprietates atomic
Nomine, symbolo, numero Molybdeno, Mo, 42
Serie chimic metallo de transition
Gruppo, periodo, bloco 6, 5, d
Configuration electronic [Kr] 5s1 4d5
Electronegativitate 2,16
Proprietates physic
Stato solid
Massa molar 95,94(1) g·mol-1
Densitate 10,28 g·cm−3
Densitate liquide al p.f. 9,33 g·cm−3
Puncto de fusion 2896 K, 2623 °C, 4753 °F
Puncto de ebullition 4912 K, 4639 °C, 8382 °F
Calor de fusion 37,48 kJ·mol-1
Calor de vaporisation 598 kJ·mol-1
Calor specific 24,06 J·mol-1·K-1
Resistivitate electric (20 °C) 53,4 nΩ·m
Conductivitate thermal 138 W·m-1·K-1
Expansion thermal (25 °C) 4,8 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.


Molybdeno es un elemento chimic de symbolo Mo e numero atomic 42.

Nota