The valence shell electronic configuration of the most electronegative element is..........

If $P$,$Q$,$R$ and $S$ are elements of the $3^{rd}$ period of the $p-$block,among these one element is a metal and the rest are non-metals,and their order of electronegativity is given as: $P < Q < R < S$. The chloride compound of which element is hypovalent?

Which of the following bonds has the most polar character?

The relative order of electronegativity of $C$,$Ge$,and $Pb$ is

Of the following elements,which one has the highest electronegativity?

Which of the following electronic configurations will have nearly zero electronegativity?