Name:
Hafnium
Symbol:
Hf
Atomic Number:
72
Atomic Mass:
178.49
Atomic Volume:
13.47 cc/mol
Discovered By:
D. Coster and G. von Hevesy
Discovery Date:
1923
Origin of Name:
Hafnium - Hafnia, Latin name for Copenhagen
Toxicity:
???
Summary:
Not found free in Nature. Finely divided hafnium will ignite spontaneously in air (pyrophoric). Hafnium is very similar chemically to zirconium and is separated from it only with difficulty.
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