Antimony is a chemical element with the symbol Sb (from Latin: stibium) and atomic number 51. In ancient Persian texts, this element is called hard zinc or Egyptian hard zinc. The name antimony comes from the Greek word "anti-Monos" which means "not alone".This element was discovered by a person named Basit Masri and gave it as a gift to his love. it was thought that this element does not exist in pure form