valence shell

noun 0.772

electron

noun 0.672

electron configuration

noun 0.664

electron number

noun 0.659

electron pair

noun 0.653

valence electron

noun 0.613

shell

noun 0.596

atomic orbital

noun 0.582

free electron

noun 0.570

eggshell

noun 0.561

electron gun

noun 0.557

electron density

noun 0.557

orbital

noun 0.555

subshell

noun 0.553

seashell

noun 0.544

electric field

noun 0.537

electron volt

noun 0.534

photoelectron

noun 0.531

energy level

noun 0.529

atomic nucleus

noun 0.525

intershell

noun 0.520

octet rule

noun 0.520

quantum number

noun 0.516

ecosphere

noun 0.515

half shell

noun 0.515

electric circuit

noun 0.515

chemical element

noun 0.515

electron tube

noun 0.514

noble gas

noun 0.511

electron wave function

noun 0.508

nanoshell

noun 0.507

nucleus

noun 0.505

electron neutrino

noun 0.502

selectron

noun 0.502

electronic circuit

noun 0.502

electrochemical cell

noun 0.501