A. The same effective nuclear charge
B. The imperfect shielding on outer electron
C. The appreciable shielding on outer electrons
D. None of these
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A. The same effective nuclear charge
B. The imperfect shielding on outer electron
C. The appreciable shielding on outer electrons
D. None of these
Answer: B. The imperfect shielding on outer electrons Lanthanide contraction is due to the imperfect shielding on outer electrons.
Answer: B. The imperfect shielding on outer electrons
Lanthanide contraction is due to the imperfect shielding on outer electrons.
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