Calculating Pauling's electronegativity

1. Calculating Pauling Electronegativity
Dr. Mithil Fal Desai
Shree Mallikarjun and Shri Chetan Manju Desai College
Canacona Goa

2. Calculating Electronegativity
A B
The factor 0.208 arises from the conversion
electronegativity values from Kcals to electron volt.

3. Calculating Electronegativity
A B
δ+ δ-
X(A) - X(B) = 0.1017(Δ)½ in kJ mol-1
X(A) - X(B) = 0.208 (Δ)½ in kcal mol-1

6. Calculate Pauling’s electronegativity of atom Y from following data.
Guess the atom Y from the following atoms.
H, B, Bl, F
Molecule H-H Y-Y
H-Y
(observed)
Bond
energy in
Kcal mol-1
104 37 134
X(H) - X(Y) = 0.208 (Δ)½