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Erbium metal is soft, malleable, bright, and silvery. It does not oxidize as rapidly as some of the other rare earth metals as it is fairly stable in air. Erbium has a high electrical resistivity. As with other rare earth metals, properties depend on the impurities present. Naturally occuring erbium is a mixture of six stable isotopes.
|Property Name||Property Value||Property Name||Property Value|
|CAS #||7440-52-0||Covalent Radius||1.57Angstroms|
|Electrical Resistivity @ 298°C||86.0µΩ-cm|
|Melting Point||1529°C||Crystal Structure||Hexagonal|
|Density||9.066g/cm3||Thermal Neutron Cross Section||166barns/atoms|
|Themal Conductivity||0.023cal/cm2/cm/s/°C||Magnetic Moment||9.5Bohr magnetons|
|Specific Heat @ 25°C||0.040cal/g°C||Magnetic Susceptibility||44,100x10-6emu/mole|
|Heat of Fusion||4.1k-cal/g-atom||Tensile Strength||42,4000psi|
|Heat of Vaporization||67k-cal/g-atom||Yield Strength||38,700psi|
|Atomic Volume||18.1W/D||Standard Electrode Potential||+2.1volts|