Plutonium

Symbol | Pu
Latin name | Plutonium
Atomic number | 94
Period | 7
Element category | Inner transition elements
Relative atomic mass | 244.0642
Group | III.B
Electronegativity | 1.3
Oxidation numbers | 3, 4, 5, 6
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f6 6d0 7s2
Density [g/cm3] | 19.86
State | Solid
Melting point [°C] | 641
Boiling point [°C] | 3232
Thermal conductivity [W m-1K-1] | 6.74
Heat capacity [J K-1g-1] | 0.13
Discovery | 1940
Young's modulus [GPa] | 96
Electrical conductivity [S m-1] | 6.7 · 105
Shear modulus [GPa] | 43
1.st ionization energy [eV] | 6.06
Stable isotopes | 0
Unstable isotopes | 16