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31. Antimony is like a nonmetal in that it is a brittle, crystalline solid, has poor electrical and heat conductivity, and has a low boiling point. However, it is also like a metal because of its shiny silver appearance and ability to form alloys. Into which group should antimony be placed? 32.
In a periodic table, metals are arranged on the left side and non-metal on the right side, while metalloids are present as a connecting line between metals and non-metals. Boron, silicon, germanium, arsenic, antimony and tellurium are included among the metalloid category.Metalloids are also known as semi metals.s Calcium a Metal-Nonmetal or Metalloid. Calcium is a dull gray solid element with a silver appearance, which exists in the solid state. It has a high melting point (1115 K) and boiling point (1757 K). All these features make it related to metals.