Predict the order for increasing binding energies of the C(1s) electron for the following compounds giving your reasoning.
CF4, CH4, CH2Br2, CH2Cl2, CHCl3, CH3Br, CH3I
Some electronegativity values that you may find useful:
Hydrogen: 2.1
Fluorine: 3.9
Chlorine: 3.0
Bromine: 2.8
Iodine: 2.5