conjugated vs chemical science

conjugated is not a noun while chemical science is a noun.

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

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

conjugated (adjective)	chemical science (adjective)
joined together especially in a pair or pairs
of an organic compound; containing two or more double bonds each separated from the other by a single bond
formed by the union of two compounds