ionization

noun 0.706

ionization energy

noun 0.618

ion

noun 0.582

hydrogen ion

noun 0.565

degree

noun 0.545

deionization

noun 0.532

photoionisation

noun 0.530

acidity

noun 0.528

deprotonation

noun 0.521

complex ion

noun 0.521

partial charge

noun 0.518

photoion

noun 0.515

radical ion

noun 0.513

positive degree

noun 0.513

charge density

noun 0.511

ion chromatography

noun 0.505

degree of freedom

noun 0.502

protonation

noun 0.501