Question

Which of the following is not a metalloid?

• A. $B$
• B. $Sb$
• C. $Sn$
• D. $Ge$

Answer 1

The correct option is C $Sn$

Metalloid are elements which have properties between metals and non-metals. Tin $\left(Sn\right)$ is a silvery metal. It belongs to Carbon family of group 14. Boron $\left(B\right)$, antimony $\left(Sb\right)$ and Germanium ($Ge$) are commonly recognised metalloids which are present in a staircase pattern