Atomic Number: 59

Name: Praseodymium

Atomic symbol: Pr

Atomic Weight: 140.908

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f³6s²

Melting Point: 931^oC

Boiling Point: 3512^oC

Density: 6.8 g/cm³

Ionic radius: 1.01 angstroms (+3); 0.90 angstroms (+4)

Metallic radius: 1.83 angstroms