16,677 views
This video explains what an element's electron affinity is, based on its electronegativity. It then shows how electronegativity changes on the periodic table, and why. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning interface that allow learners to study at their own pace, at school or at home. We cover math, science, computer science, economics, and more. Our math lessons take students from preschool to calculus, using cutting-edge, adaptive technology that identifies each student's learning gaps and strengths. Free. For everyone. Forever. #YouCanLearnEverything Join the Khan Academy English channel: / @khanacademyenglish Find thousands more free interactive exercises and videos at http://www.khanacademy.org Video licensed under CC-BY-SA.