Which of the following correctly identifies the atomic radius trend from Scandium () to Zinc () in t — Periodic Table and Periodicity Chemistry Question
Question
Which of the following correctly identifies the atomic radius trend from Scandium ($Sc$) to Zinc ($Zn$) in the 3d transition series?
Answer: B
💡 Solution & Explanation
Atomic radius decreases initially due to poor shielding by early 3d electrons, remains constant in the middle as shielding counterbalances nuclear pull, and increases at Zn due to $3d^{10}$ inter-electronic repulsion.
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