51

Sb

Antimony
121.760 (1)
Historical Information

Antimony was recognized in compounds by the ancients and was known as a metal at the beginning of the 17th century and possibly much earlier. Its most important mineral is stibnite, a mineral which formed the basis of black eye makeup in Biblical times.

Basic Information Shells
  • Name:Antimony
  • Symbol: Sb
  • Atomic number: 51
  • Atomic weight:121.760 (1)
  • Standard state: solid at 298 K
  • Group in periodic table: 15
  • Group name: none
  • Period in periodic table: 5
  • Block in periodic table: p-block
  • Classification: Semi-metallic
Antimony
Uses Trivia
  • batteries, antifriction alloys, type metal, small arms and tracer bullets, cable sheathing, and minor products use about half the metal produced

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.