Metalloids are placed in a zig-zag pattern in Periodic Table. They are to the left of non-metals.
there are 21
Metalliods are found at the center of the periodic table.
the left
Representive elements
Non-metals and metalloids are found to the right on the periodic table.
By there properties: Metals, Non-Metals and Metalliods.
Si, As and Te
Alkali metals.
Metals nonmetals and metalliods
boron, silicon, germanium, arsenic, antimony and tellurium.
metalliods and non-metals
The metalloids are present on the zigzag line in periodic table. Metalloids are also known as semi-metals.