| Element | Praseodymium |
| Symbol | Pr |
| Atomic Number | 59 |
| Molar Mass | 140.91 gmol-1 |
| Electron Configuration | [Xe]4f36s2 |
| Normal State | solid metal |
| Density @STP | 6.78 g cm-3 |
| Melting Point | 931oC |
| Boiling Point | 3520oC |
| Stable Isotopes | 141Pr |
| Atomic Radius | 183 pm |
| Ionic Radius | 106 (3+) pm |
| Electronegativity (Pauling) | 1.13 |
| Ionization Energy (1st) | 523 kJ mol-1 |
| Ionization Energy (2nd) | 1018 kJ mol-1 |
| Ionization Energy (3rd) | 2086 kJ mol-1 |
| Molar Heat Capacity | 27.2 J K-1mol-1 |
| Standard Molar Entropy | 73.2 J K-1mol-1 |
| Enthalpy of Fusion | 11.3 kJ mol-1 |
| Enthalpy of Vapourization | 332.6 kJ mol-1 |
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