4
selenium(noun, name, chemistry, chemicals)
3
Ar
3
He
3
Kr
3
Ne
3
Rn
3
Xe
3
actinium(noun, name, chemistry, chemicals)
3
atomic number 10
3
atomic number 18
3
atomic number 2
3
atomic number 36
3
atomic number 54
3
atomic number 86
3
bohrium(noun, name, chemistry, chemicals)
3
boron(noun, name, chemistry, chemicals)
3
carbon(noun, name, chemistry, chemicals)
3
common thread
3
darmstadtium(noun, name, chemistry, chemicals)
3
dubnium(noun, name, chemistry, chemicals)
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APASmart Define. (2015). element thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/element/thesaurus/narrower
ChicagoSmart Define. 2015. "element thesaurus" https://smartdefine.org/element/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2015, element thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/element/thesaurus/narrower>.
MLASmart Define. "element thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/element/thesaurus/narrower>