Antimony 

The essentials

• Name: antimony
• Symbol: Sb
• Atomic number: 51
• Atomic weight: 121.760 (1)
• Group in periodic table: 15
• Group name: Pnictogen
• Period in periodic table: 5
• Block in periodic table: p-block

Description   

What follows is a brief description of antimony. To learn more about the physical properties of antimony, select "Physical data" from the menu to the left.

• Standard state: solid at 298 K
• Colour: silvery lustrous grey

Metallic antimony is an extremely brittle metal of a flaky, crystalline texture. It is bluish white and has a metallic lustre. It is not acted on by air at room temperature, but burns brilliantly when heated with the formation of white fumes. It is a poor conductor of heat and electricity.

Antimony and its compounds are toxic. It is found mostly with other minerals and in stibnite.