Chemistry, asked by em14417, 19 days ago

Lanthanoid contraction causes and effects

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Answered by ItzKaminiForYou

Answer:

The Lanthanide Contraction is caused by a poor shielding effect of the 4f electrons. Gd because as atomic number increases, the atomic radius decreases. ... These electrons are do not shield good, causing a greater nuclear charge. This greater nuclear charge has a greater pull on the electrons.

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