Actinide contraction is greater from element to element than lanthanide contraction.why?
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Actinoid contraction is greater from element to element than lanthanoid contraction. ... These 5forbitals 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 that experienced by lanthanoids.
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