To calculate the electronegativity difference between hydrogen and chlorine, we subtract the electronegativity value of hydrogen from that of chlorine:Electronegativity difference = Electronegativity of chlorine - Electronegativity of hydrogenElectronegativity difference = 3.16 - 2.20Electronegativity difference = 0.96Now, let's determine the type of bond formed between them according to the electronegativity difference classification:1. Nonpolar covalent bond: Electronegativity difference 0.42. Polar covalent bond: Electronegativity difference between 0.4 and 1.73. Ionic bond: Electronegativity difference 1.7Since the electronegativity difference between hydrogen and chlorine is 0.96, the bond formed between them is a polar covalent bond.