Give increasing order of group $13$ elements for atomic radius.
Aluminium has a great affinity for oxygen and its oxidation is an exothermic process. This fact is made use of in
Boron does not form $B^{3+}$ cation easily. it is due to
The green colour produced in the borax bead test of a chromium$(III)$ salt is due to formation of______:
Which of the following form dimeric halides