Use electronegativity values to classify the bonds in each of the following compounds as ionic, polar covalent, or nonpolar covalent. Select the single best answ for each part.

KI

CO

NH_3

H_2

1 answer

KI: Ionic bond (K = 0.8, I = 2.5)

CO: Polar covalent bond (C = 2.5, O = 3.5)

NH3: Polar covalent bond (N = 3.0, H = 2.1)

H2: Nonpolar covalent bond (H = 2.1)