atomic number 50 vs metal

atomic number 50 and metal both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 50	Yes	No	No	No
metal	Yes	Yes	Yes	No

As nouns, metal is a hypernym of atomic number 50; that is, metal is a word with a broader meaning than atomic number 50:

atomic number 50: a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
metal: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

Other hypernyms of atomic number 50 include metallic element, carbon group element, crystallogen, Group 14 element, tetragen, tetrel.

atomic number 50 (noun)	metal (noun)
a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide	any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
	a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten

atomic number 50 (adjective)	metal (adjective)
	containing or made of or resembling or characteristic of a metal

atomic number 50 (verb)	metal (verb)
	cover with metal