Antimony vs Bismuth
Pick up to 3 elements and see how they stack up.
| Property | Antimony | Bismuth |
|---|---|---|
| Atomic number | 51 | 83 |
| Atomic mass | 121.76 | 208.98 |
| Electronegativity | 2.05 | 2.02 |
| Melting point | 903.78 K (630.6 °C) | 544.7 K (271.6 °C) |
| Boiling point | 1,908 K (1,634.8 °C) | 1,837 K (1,563.8 °C) |
| Density | 6.697 g/cm³ | 9.78 g/cm³ |
| Atomic radius | 206 pm | 207 pm |
| Ionization energy | 8.64 eV | 7.289 eV |
| Discovered | Ancient | 1753 |
| Category | Metalloid | Post-transition metal |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 15 | 15 |
| Period | 5 | 6 |
| Valence electrons | 5 | 5 |
| Common charges | −3 | +3, +5 |
| Electron configuration | [Kr] 4d10 5s2 5p3 | [Xe] 4f14 5d10 6s2 6p3 |