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Ionization Energies

If the ioniza...

Question

If the ionization potential of an element is 13ev and its electron affinity is 2ev what is its electronegativity according to pauling scale?

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Solution

Dear student,

The Electronegativity according to the Mullikan's scale is given by the formula:
 Electronegativity = (Ionisation Energy + Electron Affinity)/5.6 
The value of ionisation energy = 13 eV
The value of electron affinity = 2 eV Now, Electronegativity =  $\frac{13 + 2}{5.6}$  = 2.67 
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