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Periodic Table Shielding Effect and d-Block Contraction

1

Choose the best answer

An element containing completely filled inner d-orbitals may have a smaller atomic radius than expected because d-electrons:

Verified Answer & Explanation⌄

Correct Answer: B) Shield the nuclear charge poorly

Concept Explanation

d-Electrons have poor shielding ability, so outer electrons experience greater effective nuclear charge and are pulled closer.

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