Indicate the nature of bonding in diamond.

Which of the following compounds does not follow the octet rule for electron distribution?

The electronic configuration of three elements $A$,$B$ and $C$ are given below. Stable form of $C$ may be represented by the formula
$A : 1s^2, 2s^2, 2p^6$
$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
$C : 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$

Which of the following bonds requires the highest bond energy to dissociate the bonded atoms?

Which of the following will have the highest bond energy?

Which of the following molecules does not obey the octet rule?