Polarity and Reactivity H+ 6+ 6 Halogens more EN than C. HC- CI Carbon-halogen bond is polar,so carbon has partial H positive charge. chloromethane Carbon can be attacked by a nucleophile. Halogen can leave with the electron pair. EPM of chloromethane 2013 Pearson Education Inc. Polarity and Reactivity • Halogens more EN than C. • Carbon—halogen bond is polar, so carbon has partial positive charge. • Carbon can be attacked by a nucleophile. • Halogen can leave with the electron pair. 3 © 2013 Pearson Education Inc