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hafnium
Atomic number:
72
Atomic weight:
178.49
Symbol:
Hf
Group number:
4
Electronic configuration:
[Xe].4f14.5d2.6s2
Physical data
Standard state:
solid at 298 K
Colour:
grey steel
Density of solid at ambient temperature/kg m-3:
13310
Molar volume/cm3:
13.44
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