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DYSPROSIUM (66Dy162.50)

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Metallic dysprosium is bright silver in color and when combined tends to form greenish-yellow salts. Dysprosium is relatively stable in air at room temperature, yet tarnishes in moist air. The metal can be cut with a knife or machined without sparking (if care is taken to avoid overheating). Even small amounts of impurities can greatly affect dysprosium's properties.

Property Name Property Value Property Name Property Value
Atomic Code (66Dy162.50) Covalent Radius 1.59Angstroms
CAS # 7429-91-6 Electrical Resistivity @ 298°C 92.6µΩ-cm
Crystal Structure Hexagonal
Melting Point 1412°C Compressibility 2.55x10-6cm2/kg
Boiling Point 2567°C Thermal Neutron Cross Section 1100barns/atom
Density 8.55g/cm3 Magnetic Moment 10.64Bohr magnetons
Themal Conductivity 0.024cal/cm2/cm/s/°C Magnetic Susceptibility 99,800x10-6emu/mole
Specific Heat @ 25°C 0.0418cal/g°C Tensile Strength 35,700psi
Heat of Fusion 4.1k-cal/g-atom Yield Strength 32,600psi
Heat of Vaporization 67k-cal/g-atom Transformation Temperature 1384°C
Atomic Volume 19.0W/D Standard Electrode Potential +2.2volts
First Ionization Energy 157K-cal/g-mole


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