Last Updated
：2025/12/07
オガネソン
Hiragana
おがねそん
Noun
Japanese Meaning
オガネソン：原子番号118の人工元素。元素記号はOg。周期表第18族（希ガス）に属する超重元素で、非常に不安定で半減期が極めて短い。
Easy Japanese Meaning
とてもおもくて、つくられた かこうな げんそで、げんそばんごうが ひゃくじゅうお の もの
Sense（1）
oganesson
（ romanization ）
Quizzes for review
See correct answer
Oganesson is the last element in the periodic table.
See correct answer
オガネソンは周期表の最後の元素です。
Japanese - English
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