Chemistry, asked by ursrandhir3293, 10 months ago

Actinoid contraction is greater than lanthanoid contraction.Account for it?

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Answered by Anonymous

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Answer:

These 5f orbitals have a poorer shielding effect than 4f orbitals (in lanthanoids). Thus, the effective nuclear charge experienced by electrons in valence shells in case of actinoids is much more that than experienced by lanthanoids

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