| Po | Polonium | Metal |
| Atomic number: | 84 | Atomic weight: | (208.9824) | ||
| Shells: | 2,8,18,32,18,6 | Orbitals: | [Xe] 4f14 5d10 6s2 6p4 | ||
| Melting point: | 254°C | Boiling point: | 962°C | ||
| Covalent radius: | 1.46 | Å | Atomic volume: | 22.23 | cm³/mol |
| Atomic radius: | 1.53 | Å | Ionic radius: | -- | Å |
| Electronegativity: | 2.0 | Oxidation states: | (4),2 | ||
| 1st ionization pot.: | 8.4167 | V | 2nd ionization pot.: | -- | V |
| 3rd ionization pot.: | -- | V | Specific heat: | 0.12 | J/gK |
| Heat of fusion: | -- | kJ/mol | Heat of vapor.: | -- | kJ/mol |
| Thermal conduct.: | 0.20 | W/cmK | Electrical conduct.: | 0.0219 | 10^6/cm ohm |
| Density: | 9.4 | g/cm³ | Valence: | -2,0,2,4,6 |