Q.
How many molecules have linear shape?
$BeCl _{2}, HgCl _{2}, I _{3}^{-}, BCl _{3}, I _{8}^{2-}, O \left( SiH _{3}\right)_{2}, P \left( SiH _{3}\right)_{3}, N _{5}{ }^{+}$
Chemical Bonding and Molecular Structure
Solution: