Praseodymium

Lanthanide

Symbol: Pr

Atomic Number: 59

Standard State: Solid

Atomic Mass: 140.9077

Electron Configuration: [Xe]6s2 4f3

Electronegativity: 1.13

Atomic Radius: 239

Ionization Energy: 5.464

Melting Point: 1204

Boiling Point: 3793

Density: 6.77

Year Discovered: 1885