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:
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