plutonium

Symbol: Pu
Atomic number: 94
Atomic weight: 244
Group:
Group name: Actinoid
Period: 7 (actinoid)
Block: f
CAS ID: 7440-07-5
Shell structure: 2.8.18.32.24.8.2
Electron configuration: [Rn].5f6.7s2
State: |standardstate|
Melting point: 912.5 [or 639.4 °C (1182.9 °F)]
Boiling point: 3503 [or 3230 °C (5846 °F)]
Ionization energy/kJ per mol: 584.7
Common oxidation states: 4
Pauling electronegativity: 1.28