In the D-Block Elements, the Third-Row Metallic Radii Are About

question 23

Multiple Choice

In the d-block elements, the third-row metallic radii are about the same as the second-row radii because of

• A) the lanthanide contraction.
• B) the third-row metallic radii are greater than the second-row radii.
• C) the increased number of d-electrons.
• D) greater shielding of f-electrons.
• E) greater shielding of d-electrons.

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