Polonium |
| Symbol | Po |
|---|---|
| Latin name | Polonium |
| Atomic number | 84 |
| Period | 6 |
| Element category | Metals |
| Relative atomic mass | 208.9824 |
| Group | VI.A |
| Electronegativity | 2.0 |
| Oxidation numbers | 2, 4, 6 |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p4 |
| Density [g/cm3] | 9.3 |
| State | Solid |
| Melting point [°C] | 254 |
| Boiling point [°C] | 962 |
| Atomic radius [pm] | 135 |
| Thermal conductivity [W m-1K-1] | 20 |
| Discovery | 1898 |
| 1.st ionization energy [eV] | 8.4167 |
| Stable isotopes | 0 |
| Unstable isotopes | 33 |