51Sb
Antimony
Metalloid
Properties of Antimony
- Atomic number (Z)
- 51
- Symbol
- Sb
- Name
- Antimony
- Atomic mass
- 121.76 u
- Period
- 5
- Group
- 15
- Family
- Nitrogen group
- Classification
- Metalloid
- Electron configuration
- [Kr] 4d¹⁰ 5s² 5p³
About Antimony
Antimony is a chemical element with symbol Sb and atomic number 51 (atomic mass of about 121.76 u). It is classified as a metalloid on the periodic table.
On the periodic table, Antimony is located in period 5, in group 15, belonging to the nitrogen group family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Antimony is [Kr] 4d¹⁰ 5s² 5p³, which determines how it forms chemical bonds and takes part in reactions.