Last Updated
：2025/11/21
lanthanide contraction
Noun
Japanese Meaning
ランタノイド元素において、原子番号の増加に伴い原子半径が次第に小さくなる現象。これは元素やその化合物の物理的性質に影響を及ぼすことが知られている。
（ plural ）
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(chemistry, physics) the progressive decrease in the radii of atoms of the lanthanide elements as the atomic number increases; evident in various physical properties of the elements and their compounds
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lanthanide contraction
The lanthanide contraction explains why ytterbium has a smaller atomic radius than cerium, despite its higher atomic number.
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The lanthanide contraction explains why ytterbium has a smaller atomic radius than cerium, despite its higher atomic number.
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