0
Calcium Pauling electronegativity is 1.Fluorine Pauling electronegativity is 4.The difference is 3.
1-e-(1/4)(EN)^2x100
After Pauling rules the electronegativity of aluminium is 1,61 and the electronegativity of chlorine 3,16; the difference is 1,55.
Linus Pauling's birth name is Linus Carl Pauling.
The Pauling electronegativity of O is 3,44.