Question

A student represents the Lewis dot structure of AlCl₃ molecule as shown below :

i. Is the representation correct?

ii. If the chlorine atoms are replaced by bromine atoms, what will be the number of electrons present in the valence shell of aluminium?

Answer 1

i. No, 

The representation is incorrect. 

There will be no lone pair of electrons on aluminium.

ii. The number of electrons present in the valence shell of aluminium will be six.