Thu March 29, 2012 By: Advait Vasavada

explain why 3d orbitals have poor shielding effect

Expert Reply
Fri March 30, 2012

For a given shell (principal quantum number), the Zeff experienced by the orbital decreases with increase of azimuthal quantum number (l), that is, the s orbital will be more tightly bound to the nucleus than p orbital and p orbital in turn will be better tightly bound than the d orbital.Due to this 3d orbitals have poor shielding effect.

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