Antimony
Metalloid| Atomic number | 51 |
|---|---|
| Category | Metalloid |
| Atomic mass | 121.76 |
| Electron configuration | [Kr]4d¹⁰ 5s² 5p³ |
| Oxidation states | −3, +3, +5 |
| Electronegativity | 2.05 |
| Melting point | 630.6 °C |
| Boiling point | 1,587 °C |
| Density | 6.68 g/cm³ |
| Crystal structure | Rhombohedral |
| Group | 15 |
| Period | 5 |
| Block | p |
| Crustal abundance | 0.2 ppm |
