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  4. Pauling’s electronegativity scale is based upon experimental values of

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Q. Pauling’s electronegativity scale is based upon experimental values of

Classification of Elements and Periodicity in Properties

Solution:

$X_{A}-X_{B}=0.208 [E_{A-B}-(E_{A-A} \times E_{B-B})^{1/2}]^{1/2}$
Where $X_{A}$ and $X_{B}$ are EN of atom A and B, $E_{A-A}, E_{B-B}$ and $E_{A-B}$ are bond energies of molecules of $A_{2}, B_{2}$ and $AB$