Bismuth vs Polonium
Pick up to 3 elements and see how they stack up.
| Property | Bismuth | Polonium |
|---|---|---|
| Atomic number | 83 | 84 |
| Atomic mass | 208.98 | 209 |
| Electronegativity | 2.02 | 2 |
| Melting point | 544.7 K (271.6 °C) | 527 K (253.9 °C) |
| Boiling point | 1,837 K (1,563.8 °C) | 1,235 K (961.8 °C) |
| Density | 9.78 g/cm³ | 9.196 g/cm³ |
| Atomic radius | 207 pm | 197 pm |
| Ionization energy | 7.289 eV | 8.417 eV |
| Discovered | 1753 | 1898 |
| Category | Post-transition metal | Post-transition metal |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 15 | 16 |
| Period | 6 | 6 |
| Valence electrons | 5 | 6 |
| Common charges | +3, +5 | +2, +4 |
| Electron configuration | [Xe] 4f14 5d10 6s2 6p3 | [Xe] 4f14 5d10 6s2 6p4 |