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 |