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Question 46011
NEET Chemistry · Easy

The d- and f-Block Elements: Lanthanoids MCQ

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LanthanoidsEasyQuestion 46011

Question

The progressive decrease in size across lanthanoids is called:

  1. A
    lanthanoid contraction
    Correct
  2. B
    inert pair effect
  3. C
    diagonal relationship
  4. D
    back bonding

Correct answer

lanthanoid contraction

Explanation

Poor shielding by 4f electrons causes it.

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