Symbol | Dy | Atomic radius: pm | 175 | Fusion: kJ/Mole | 11.06 |
Name | Dysprosium | Ionic radius: pm | (+3)103 | Boiling point: °C | 2567 |
Atomic number | 66 | Electron affinity | - | Melting point: °C | 1412 |
Atomic weight | 162.5 | 1st ion potential | 5.94 | Specific Heat Cap: J/(g K) | 0.17 |
Classification | Trans metal | Natural form | Solid | Thermal Cond: W/(cm K) | 0.11 |
Configuration | [Xe]4f106s2 | Crystal structure | Hex | Electrical Cond | 0.0108 |
Oxidation states | 3 | Density | 8.55 | Abundance: mg/kg-crust | 5.2 |
Electronegativity | 1.22 | Vaporization: kJ/Mole | 293.0 | ||
Dysprosium was first found in 1886 by P.-É. Lecoq de Boisbaudran with holmium and other heavy rare earths. Georges Urbain was able to prepare a resonably pure sample in 1906. | Uses - alloys, CD disks |