最終更新日：2024/07/28
(chemistry) Any of the elements of group 18 of the periodic table, being monatomic and (with very limited exceptions) inert.
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(chemistry) Any of the elements of group 18 of the periodic table, being monatomic and (with very limited exceptions) inert.
DiQt（ディクト）
無料
★★★★★★★★★★
