In which , central atom `s` has have one lone pair of electron ?

In which of the following , central atom does not have one lone pairs of electron ?

In which of the following , central atom does not have one lone pairs of electron ?

In which of the following, the central atoms has two lone pairs of electrons

In which of the following pairs, the central atoms have the same number of lone pairs of electrons?

What are the possible geometrical shapes of covalent molecules of the general formula AX_(2) and AX_(3) (X=a monovalent atom) when the central atom A has (i) no lone pair of electrons, (ii) one lone pair of electrons and (iii) two lone pairs of electrons.

A compound having one lone pair of electrons :

In which of the following molecules, the central atom has two lone pairs of electrons ?

In which species does the central atom have one or more lone pairs of valence electrons?

Predict the shape of the molecule in which central atom has three bond pairs and one lone pair.