Electronegativity Values

Hydrogen (H) - 2.1

Boron (B) - 2.0

Carbon (C) - 2.5

Nitrogen (N) - 3.0

Oxygen (O) - 3.5

Fluorine (F) - 4.0

Phosphorous (P) - 2.1

Sulfur (S) - 2.5

Chlorine (Cl) - 3.0

Bromine (Br) - 2.8

Iodine (I) - 2.5