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CUET

Q26. Which of the statements below are correct? A. Actinoid contraction is greater than lanthanoid contraction. B. The magnetic property of the actinoids are more complex than those of the lanthanoids. C. Actinoid contraction taking place due to poor shielding by 5f electrons. D. Actinoid contraction taking place due to poor shielding by 6f electrons. Choose the correct answer from the options given below: