What is lanthanoid contraction? What are its two consequences?
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★ The Lanthanide Contraction isthe result of a poor shielding effect of
the 4f electrons. The shielding effect is described as the phenomenon by whichthe inner-shell electrons shield theouter-shell electrons so they are not effected by nuclear charge.
the 4f electrons. The shielding effect is described as the phenomenon by whichthe inner-shell electrons shield theouter-shell electrons so they are not effected by nuclear charge.
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