| Attribute | Value |
|---|---|
| Symbol | Pr |
| Standard state | Solid |
| Atomic mass | 140.90766 u |
| Electron configuration | [Xe]6s²4f³ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 1.13 |
| Atomic radius (van der waals) | 239 pm |
| Ionization energy | 5.464 eV |
| Melting point | 1204 K |
| Boiling point | 3793 K |
| Density | 6.77 g/cm³ |
| Atomic number | 59 |
| Group name | Lanthanide |
| Discovered | 1885 year |
| Electron affinity | Add |