Along the stairs that run along group 13 to group 17
the left
Representive elements
there are 21
Metalliods are found at the center of the periodic table.
In Periodic Table are three groups indulging on metals 1. Transition Metals. 2.Pure Metals 'Containing Hydrogen'. 3.Metalliods.
Si, As and Te
Alkali metals.
metalliods and non-metals
boron, silicon, germanium, arsenic, antimony and tellurium.
Copper is located in period 4 of the periodic table.
Non-metals and metalloids are found to the right on the periodic table.
Metalloids are placed in a zig-zag pattern in periodic table. They are to the left of non-metals.