Synonyms|2Antonyms|0|Broader|5Narrower|0Related|0
3
element
2
chemical element
2
noble gas
1
inert gas
0
argonon
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APASmart Define. (2011). atomic number 2 thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/atomic_number_2/thesaurus/broader
ChicagoSmart Define. 2011. "atomic number 2 thesaurus" https://smartdefine.org/atomic_number_2/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 2011, atomic number 2 thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/atomic_number_2/thesaurus/broader>.
MLASmart Define. "atomic number 2 thesaurus" 26 April 2011. Web. 21 September 2026. <https://smartdefine.org/atomic_number_2/thesaurus/broader>