Question

The three elements having chemical symbols of $Si,B$ and $Ge$ are:

• A. all metals
• B. all non-metals
• C. all metalloids
• D. $Si$ is metalloid, $B$ is metal and $Ge$ is nonmetal

Answer 1

The correct option is C all metalloids

$B$ (Boron), $Si$ (Silicon), $Ge$ (Germanium) are metalloids. Other examples of metalloids are Arsenic, Antimony.

Thus correct answer is option $C$.