Define the term eloctronegathity. Chose one: A. The amount of energy needed to remove 1 mole of electrons from 1 mole of ground-state atoms or ions in the gas phase: B. A relative measure of the ability of an atom to attract electrons in a bond to itself C. The energy change that occurs when 1 mole of electrons combines with 1 mole of atoms or ions in thegas phase. D. A negatively charged particle created when an atom or molecule gains one or more electrons