Atomic Number: 94

Name: Plutonium

Atomic symbol: Pu

Atomic Weight: 244

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰5f⁶6s²6p⁶7s²

Melting Point: 641^oC

Boiling Point: 3232^oC

Ionic radius: 1.08 angstroms (+3); 0.93 angstroms (+4)