Metalloids (Semimetals) List and Photos


The metalloids or semimetals are elements that exhibit properties of both metals and nonmetals. The elements between the metals and nonmetals on the periodic table are metalloids:

  • boron
  • silicon
  • germanium
  • arsenic
  • antimony
  • tellurium
  • polonium

Certain additional elements are considered metalloids based on their properties, but aren’t usually considered part of the periodic table group. These elements are:

  • beryllium
  • carbon
  • aluminum
  • phosphorus
  • sulfur
  • selenium
  • tin
  • iodine
  • bismuth
  • astatine
  • livermorium

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