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Periodic Table - Elements - Dysprosium
| Symbol |
Dy |
|
| Atomic Number |
66 |
Relative Atomic Mass
12C = 12.0000 |
162.50 |
Atomic Radius
pm |
177 |
First Ionisation Energy
kJ mol-1 |
571.9 |
| Electronegativity |
1.22 |
Density
kg m-3 |
8550 [293 K] |
Molar Volume
cm3 |
19.00 |
Thermal Conductivity
W m-1 K-1 |
10.7 [300 K] |
Melting Point
K |
1685 |
Boiling Point
K |
2835 |
| Number of Isotopes |
24 |
Ground State Electron
Configuration |
[Xe]4f106s2 |
| Term Symbol |
5I8 |
| Discovery |
Discovered by P.É. Lecoq de Boisbaudran (Paris, France) in 1886 |
| Name Derived From |
Greek dysprositos meaning 'hard to obtain' |
Name in Other
Languages |
 Croatian | Disprozij |
 Danish | dysprosium |
 Dutch | dysprosium |
 Finnish | dysprosium |
 French | dysprosium |
 German | Dysprosium |
 Italian | disprosio |
 Norwegian | dysprosium |
 Portuguese | disprósio |
 Spanish | disprosio |
 Swedish | dysprosium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
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Page compiled: Wed Sep 05 18:37:53 GMT+01:00 2001
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