72 Hafnium

Atomic Number
Atomic Weight
Boiling Point °C
Melting Point °C
Specific Gravity
Electron Configuration
Electronegativity
Heat of Vaporization
Heat of Fusion
72
178.49
4603
2227
13.1
Xe/4F14,5D2,6S2
1.3
575
24.06
Electrical Conductivity
Thermal Conductivity
Specific Heat
First Ion Potential
Covalent Radius
Atomic Radius
Atomic Volume
Oxidation States
0.0312
0.23
0.14
6.65
1.44
2.16
13.6
4

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