Molecule having maximum number of lone pairs of electrons on central atom

Which has maximum number of lone pairs of electrons on the central atom?

The number of lone pair of electrons in central atom of CIF_5

Which species has the maximum number of lone pair of electrons on the central atom ?

Which species has the maximum number of lone pair of electrons on the central atom ? .

Which species has the maximum number of lone pair of electrons on the central atom ?

Which has maximum number of lone pair of electrons present on central atom i.e., xenon?

The correct increasing order of molecules in accordance with number of lone pair of electrons on central-atom is :

Number of lone pair present on central atom I_3^-

A lone pair of electrons in an atom implies