Aluminium $(III)$ chloride forms a dimer because aluminium

Which elements of group $13$,except $B$,can form tetrahedral and octahedral complexes in aqueous medium?

In the structure of borax,the numbers of boron atoms and $B-O-B$ units,respectively,are

Which of the following statements are not correct?
$i$. Atomic radius of $Ga$ is less than that of $Al$
$ii$. The order of ionization enthalpy of group $13$ elements is $B > Al > Ga > In > Tl$
$iii$. Boron trioxide is amphoteric in nature

Give reasons: Aluminium alloys are used to make aircraft bodies.

Why does boron trifluoride $(BF_3)$ behave as a Lewis acid?