The periodic Table
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by Peder Axensten

Eu


in WebElements
in X-Ray info
Eu, 63
europium (English)
europium, m. (French)
Europium, n. (German)
evropij (Russian)
europio??? (Spanish)
europium (Swedish)


Symbol, numberEu, 63 (metal)
Weight151.965
In Nature
Discovered1901, by Eugène-Anatole Demarçay (France)
Density  [kg/m3]5243 [293 K] (solid)   
Molar volume28.98 cm3
Melting Temperature1095 K   (822 °C)   Enthalpy: 175.7 kJ/mol
Boiling Temperature1870 K   (1597 °C)   Enthalpy: 10.5 kJ/mol
Electrical resistance90.0E-8 [298 K] Wm
ThermalConductivity: 13.9 [300 K] W/Km     Expansion: 32E-6 /K
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State Df Df CpH 298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Eu