Last Updated
：2025/11/20
transition element
Noun
Japanese Meaning
化学における遷移元素（遷移金属）とは、内部のd軌道電子が完全に充填されていない金属元素を指します。これらの元素は複数の価数を持ち、有色の化合物や安定な錯体イオンを形成する特徴があり、周期表上ではスカンジウムから銅まで、またその近辺の元素として分類されます。
（ plural ）
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(chemistry) Any of the group of metallic elements that have an incomplete inner (d) electron shell, having multiple valencies and forming coloured compounds and stable complex ions; the elements from scandium through copper, and those lying below them in the periodic table.
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transition element
A transition element typically forms coloured compounds and can exhibit multiple valencies because of its incomplete inner d electron shell.
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A transition element typically forms coloured compounds and can exhibit multiple valencies because of its incomplete inner d electron shell.
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