| Element | Dysprosium |
| Symbol | Dy |
| Atomic Number | 66 |
| Molar Mass | 162.5 g mol-1 |
| Electron Configuration | [Xe]4f106s2 |
| Normal State | solid metal |
| Density @STP | 8.53 g cm-3 |
| Melting Point | 1412oC |
| Boiling Point | 2567oC |
| Stable Isotopes | 156Dy, 158Dy, 160Dy, 161Dy, 162Dy, 163Dy, 164Dy |
| Atomic Radius | 177 pm |
| Ionic Radius | 91 (3+) pm |
| Electronegativity (Pauling) | 1.22 |
| Ionization Energy (1st) | 572 kJ mol-1 |
| Ionization Energy (2nd) | 1126 kJ mol-1 |
| Ionization Energy (3rd) | 2200 kJ mol-1 |
| Molar Heat Capacity | 27.7 J K-1mol-1 |
| Standard Molar Entropy | 75.6 J K-1mol-1 |
| Enthalpy of Fusion | 17.2 kJ mol-1 |
| Enthalpy of Vapourization | 293 kJ mol-1 |
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