What metal does antimony belong to?

Antimony, metal element, element symbol Sb, atomic number 5 1, silvery white shiny hard and brittle metal (often made into strips, blocks, powders, etc.). Has a scale-like crystal structure. It gradually loses its luster in humid air and burns into white antimony oxide when exposed to high heat. Soluble in aqua regia and concentrated sulfuric acid. Relative density 6.68, melting point 630℃, boiling point 1635℃, atomic radius 1.28? , electronegativity 2.2.

Antimony mainly exists in sulfide mineral stibnite (Sb2S3) in nature. It is known that antimony compounds were used as cosmetics in ancient times, and metallic antimony was also recorded in ancient times, but it was mistaken for lead at that time. About17th century, people know that antimony is a chemical element.

Since the end of the 20th century, China has become the world's largest producer of antimony and its compounds, most of which are produced in tin mines in Lengshuijiang City, Hunan Province. The industrial production method of antimony is roasting first, then reducing with carbon at high temperature, or directly reducing stibnite with metallic iron.

Lead-antimony alloy plate for lead-acid battery. Alloys of antimony with lead and tin can be used to improve the properties of welding materials, bullets and bearings. Antimony compounds are important additives of chlorine-containing and bromine-containing flame retardants, which are widely used. Antimony is also widely used in emerging microelectronics technology, such as AMD graphics card manufacturing.