Antimony (Sb) is a chemical element belonging to the category Metalloid, with atomic number 51 and atomic mass 121.7600 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Antimony
- Symbol: Sb
- Atomic number: 51
- Atomic mass: 121.7600 u
Position in the periodic table
- Group: 15
- Period: 5
- Category: Metalloid
Physico-chemical properties
- Standard state: Solid
- Melting point: Intermediate (200°C to 1400°C)
- Density: Medium
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p³
Scientific description
Antimony is a chemical element with symbol Sb and atomic number 51. It is classified as a metalloid and occupies group 15 and period 5. Its standard atomic mass is 121.7600 u.