The bond between two identical non-metal atoms has a pair of electrons:

Aluminum chloride $(AlCl_3)$ is a:

What happens when naphthalene balls are put inside kerosene?

Which of the following bonds has the highest bond enthalpy?

Which of the following statements regarding covalent bond is not true?

The electronic configurations of four elements are given below:
$(I) \, 1s^2 \, (II) \, 1s^2 2s^2 2p^2 \, (III) \, 1s^2 2s^2 2p^5 \, (IV) \, 1s^2 2s^2 2p^6$
Which element has the ability to form both ionic and covalent bonds?