atomic number 98 vs californium

atomic number 98 and californium both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 98	Yes	No	No	No
californium	Yes	No	No	No

As nouns, atomic number 98 and californium are synonyms defined as:

atomic number 98 and californium: a radioactive transuranic element; discovered by bombarding curium with alpha particles

Other synonyms of atomic number 98 include Cf.

atomic number 98 (noun)	californium (noun)
a radioactive transuranic element; discovered by bombarding curium with alpha particles	a radioactive transuranic element; discovered by bombarding curium with alpha particles