scavenge vs chemical science

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

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

scavenge (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

scavenge (verb)	chemical science (verb)
remove unwanted substances from
feed on carrion or refuse
clean refuse from
collect discarded material