chemical science vs isomerize

chemical science is a noun but isomerize is not a noun.

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

chemical science (noun)	isomerize (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

chemical science (verb)	isomerize (verb)
	change into an isomer
	cause to change into an isomer