SEARCH Articles Figures Tables Activity Coefficients, Bjerrums Ion Pairs, and Debyes Free Ions Determination of propagation rate on free ions and ion-pairs in living polymerizations Formation of ion pairs from free ions Free Radical Pairs Produced by Irradiation of Polymers with Ionizing Radiation Free electron pairs Free ion-pair equilibria Free ions-ion pairs equilibria Free-electron-pair states Frustrated Lewis pair metal-free Pair potentials free electron