最終更新日：2024/07/28
A chemical element (symbol Sm) with an atomic number of 62, a moderately hard silvery metal that slowly oxidizes in air.
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samarium
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A chemical element (symbol Sm) with an atomic number of 62, a moderately hard silvery metal that slowly oxidizes in air.
samarium
DiQt（ディクト）
無料
★★★★★★★★★★
