atomic number 70 vs Yb

atomic number 70 and Yb both are nouns.

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

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

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

Other synonyms of atomic number 70 include ytterbium.

atomic number 70 (noun)	Yb (noun)
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime	a unit of information equal to 1000 zettabits or 10^24 bits
	a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime