chemical bonding Questions

Amongst the following, the total number of species not having eight electrons around the central atom in its outermost shell is:${\text{NH}}_3,{\text{AlCl}}_3,{\text{BeCl}}_2,{\text{CCl}}_4,{\text{PCl}}_5$

The correct order of energies of molecular orbitals of ${\text{N}}_2$ molecule is:

Intermolecular forces are forces of attraction and repulsion between interacting particles that will include:A. dipole - dipole forcesB. dipole - induced dipole forcesC. hydrogen bondingD. covalent bondingE. dispersion forcesChoose the most appropriate answer from the options given below: