素 - elementary, principle, naked

element (esp. component in electronics); elemental device; device

elementary particle; particle

chlorine (Cl)

ingredient; (raw) material; resource

quick; swift; nimble; agile

simple; artless; naive; unsophisticated

obedient; meek; docile; unaffected

carbon (C)

simple; plain

hydrogen (H)

makings (of); aptitude; talent; qualities

component; factor; item (e.g. in list)