Steady decrease in atomic/ionic radii across lanthanides due to poor shielding by f-electrons.
Causes similar sizes of post-lanthanide elements (e.g., Zr & Hf).
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CAT Formulas
d and f-Block Elements
Lanthanoid Contraction
Steady decrease in atomic/ionic radii across lanthanides due to poor shielding by f-electrons.
Causes similar sizes of post-lanthanide elements (e.g., Zr & Hf).
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