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 |