26. Answer in detail VII

 

Metalloids usually look like metals but behave essentially like non-metalsalloysplasticsmetals.
Physically they are shiny, brittle solids with intermediate to relatively good electronicbad electricalgood electricalbad electronic conductivity.
They can come from alloys with metals.
Most of their physical and biologicalphysical and chemical mechanical and chemical physical and mechanical properties are intermediate in nature, They are semiconductors.
All are liquidsgasessolidsmixtures at room temperature.
 

Example: Argon, Boron, Antimony, NeounGermanium, Boron, Antimony, SiliconCarbon, Graphite, Iron, NitrogenHelium, Boron, Antimony, Hydrogen.