On the Pauling scale,which of the following elements does not have an electronegativity value $\ge 3.0$?

Electronic configuration of four elements $A, B, C$ and $D$ are given below $:$
$(A) 1s^2 2s^2 2p^3$
$(B) 1s^2 2s^2 2p^4$
$(C) 1s^2 2s^2 2p^5$
$(D) 1s^2 2s^2 2p^2$
Which of the following is the correct order of increasing electronegativity $(Pauling's scale)$?

The elements $X, Y$ and $Z$ form oxides which are acidic,basic and amphoteric respectively,then the correct order of their electronegativities is

The attraction that an atom exerts on a pair of electrons that are being shared between that atom and another atom to which it is bonded by a covalent bond is referred to as its

Which among the following elements has the highest electronegativity?

What is the value of electronegativity of oxygen?