element 106 vs chemical element

element 106 and chemical element both are nouns.

Word	Noun	Adjective	Verb	Adverb
element 106	Yes	No	No	No
chemical element	Yes	No	No	No

As nouns, chemical element is a hypernym of element 106; that is, chemical element is a word with a broader meaning than element 106:

element 106: a transuranic element with atomic number 106
chemical element: any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

Other hypernyms of element 106 include element.

element 106 (noun)	chemical element (noun)
a transuranic element with atomic number 106	any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter