Which element among the following has the maximum bond energy?

Name the type of the structure of silicate in which one oxygen atom of $[SiO_4]^{4-}$ is shared?

Identify the correct statements among the following:
$a$) $C_{60}$ molecule has $12$ five-membered rings and $20$ six-membered rings.
$b$) $H_2CO_3 / HCO_3^-$ buffer system helps to maintain $pH$ of blood between $7.26$ and $7.42$.
$c$) Graphite is used as a dry lubricant in machines running at high temperatures.

$P_4O_{10}$ has short and long $P-O$ bonds. The number of short $P-O$ bonds in this compound is

Explain the difference in properties of diamond and graphite on the basis of their structures.

$SiF_4$ gets hydrolysed giving .......