electronegativity vs chemical science

electronegativity and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
electronegativity	Yes	No	No	No
chemical science	Yes	No	No	No

electronegativity (noun)	chemical science (noun)
(chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions