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Periodic Table - Elements - Hafnium
| Symbol |
Hf |
|
| Atomic Number |
72 |
Relative Atomic Mass
12C = 12.0000 |
178.49 |
Atomic Radius
pm |
156 |
First Ionisation Energy
kJ mol-1 |
642 |
| Electronegativity |
1.3 |
Density
kg m-3 |
13310 [293 K]
12000 [m.p.] |
Molar Volume
cm3 |
13.41 |
Thermal Conductivity
W m-1 K-1 |
23.0 [300 K] |
Melting Point
K |
2503 |
Boiling Point
K |
5470 |
| Number of Isotopes |
33 |
Ground State Electron
Configuration |
[Xe]4f145d26s2 |
| Term Symbol |
3F2 |
| Discovery |
Discovered by D. Coster and G.C. von Hevesey (Copenhagen, Denmark) in 1923 |
| Name Derived From |
Latin Hafnia meaning 'Copenhagen' |
Name in Other
Languages |
 Croatian | Hafnij |
 Danish | hafnium |
 Dutch | hafnium |
 Finnish | hafnium |
 French | hafnium |
 German | Hafnium |
 Italian | hafnio |
 Norwegian | hafnium |
 Portuguese | háfnio |
 Spanish | hafnio |
 Swedish | hafnium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
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Page compiled: Wed Sep 05 18:37:54 GMT+01:00 2001
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