The outermost electronic configuration of the most electronegative element is

Which one of the following correctly represents the variation of electronegativity $(EN)$ with atomic number $(Z)$ of group $13$ elements?

The Pauling electronegativity values of elements are important in predicting which of the following?

Aqueous solutions of two compounds $M_1-OH$ and $M_2-OH$ are prepared in two different beakers. If the electronegativity of $M_1 = 3.4$,$M_2 = 1.2$,$O = 3.5$,and $H = 2.1$,then the nature of the two solutions will be respectively:

Identify the most electronegative element among the following.

The values of electronegativity of atoms $A$ and $B$ are $1.20$ and $4.0$ respectively. The percentage of ionic character of $A-B$ bond is ............. $\%$