ytterbium vs atomic number 70

ytterbium and atomic number 70 both are nouns.

Word	Noun	Adjective	Verb	Adverb
ytterbium	Yes	No	No	No
atomic number 70	Yes	No	No	No

As nouns, ytterbium and atomic number 70 are synonyms defined as:

ytterbium and atomic number 70: a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime

Other synonyms of ytterbium include Yb.

ytterbium (noun)	atomic number 70 (noun)
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime	a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime