最終更新日：2024/07/28
A chemical element (symbol Lu) with an atomic number of 71, a silvery-white metal which resists corrosion in dry air.
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lutetium
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A chemical element (symbol Lu) with an atomic number of 71, a silvery-white metal which resists corrosion in dry air.
lutetium
DiQt（ディクト）
無料
★★★★★★★★★★
