electron pair

noun 0.712

free electron

noun 0.656

lone pair

noun 0.640

valence electron

noun 0.619

free radical

noun 0.613

electron

noun 0.595

oxyradical

noun 0.583

singlet oxygen

noun 0.571

antibonding orbital

noun 0.571

radical ion

noun 0.570

radical cation

noun 0.566

radical anion

noun 0.565

photoelectron

noun 0.564

atomic orbital

noun 0.553

bipolaron

noun 0.545

semiquinone

noun 0.542

electron number

noun 0.536

paramagnetism

noun 0.529

electron spin resonance

noun 0.529

antielectron

noun 0.528

polaron

noun 0.523

single bond

noun 0.519

charged particle

noun 0.518

oxidation number

noun 0.518

superoxide

noun 0.517

one pair

noun 0.514

positron

noun 0.507

oxide

noun 0.505

electron volt

noun 0.505

electron neutrino

noun 0.504

oxidant

noun 0.503

univalent

noun 0.501