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Pr
Praseodymium
#59 · Lanthanide
| Mass | 140.91 u |
| Density | 6.773 g/cm³ |
| Melting | 1208.0 K |
| Boiling | 3793.0 K |
| Electronegativity | 1.13 |
| Ionization Energy | 527.0 kJ/mol |
| Atomic Radius | 182.0 pm |
| Block | f-block |
| State (RT) | Solid |
| Config | [Xe] 4f3 6s2 |