The number of $2-$ centre $-2-$ electron and $3-$ centre $-2-$ electron bonds in $B_2H_6$, respectively, are
Aluminium has a great affinity for oxygen and its oxidation is an exothermic process. This fact is made use of in
Explain physical characteristic of group $13$ elements.
Which of the following statements about ${H_3}B{O_3}$ is not correct
The most acidic of the following compounds is