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Periodic Table - Elements - Holmium
| Symbol |
Ho |
|
| Atomic Number |
67 |
Relative Atomic Mass
12C = 12.0000 |
164.93032 |
Atomic Radius
pm |
177 |
First Ionisation Energy
kJ mol-1 |
580.7 |
| Electronegativity |
1.23 |
Density
kg m-3 |
8795 [298 K] |
Molar Volume
cm3 |
18.75 |
Thermal Conductivity
W m-1 K-1 |
16.2 [300 K] |
Melting Point
K |
1747 |
Boiling Point
K |
2968 |
| Number of Isotopes |
39 |
Ground State Electron
Configuration |
[Xe]4f116s2 |
| Term Symbol |
4I15/2 |
| Discovery |
Discovered by P.T. Cleve (Uppsala, Sweden) in 1878 and independantly by M. Delafontaine and J.L. Soret (Geneva, Switzerland) |
| Name Derived From |
Greek Holmia meaning 'Sweden' |
Name in Other
Languages |
 Croatian | Holmij |
 Danish | holmium |
 Dutch | holmium |
 Finnish | holmium |
 French | holmium |
 German | Holmium |
 Italian | holmio |
 Norwegian | holmium |
 Portuguese | hólmio |
 Spanish | holmio |
 Swedish | holmium |
| 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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