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Consequence: Elements after lanthanoids have smaller size than expected
Example: Zr (160 pm) and Hf (159 pm) have nearly same radius
Reason: Poor shielding by 4f electrons
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Consequence: Elements after lanthanoids have smaller size than expected
Example: Zr (160 pm) and Hf (159 pm) have nearly same radius
Reason: Poor shielding by 4f electrons
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