← Back to the periodic table
83
Bi
208.98
Bismuth
Post-transition metals · Group 15 · Period 6
Atomic properties
| Atomic number | 83 |
|---|---|
| Symbol | Bi |
| Standard atomic weight | 208.98 |
| Classification | Post-transition metals |
| Group | 15 |
| Period | 6 |
| Block | p-block |
| Electron configuration | [Xe] 4f14 5d10 6s2 6p3 |
| Electronegativity (Pauling) | 2.02 |
| Common oxidation states | +5, +3 |
Physical properties
| Phase at 20 °C | Solid |
|---|---|
| Density | 9.78 g/cm³ |
| Melting point | 271.4 °C |
| Boiling point | 1564 °C |
| Discovered | 1753 |
| CAS number | — |