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What is lantanoid contraction

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What is lantanoid contraction

    • Posted by Charan Teja 1 year, 6 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Keshav Chauhan 1 year, 4 months ago

    When we move from 3d to 4d and 4d to 5d... The electrons start to be filled in the f subshell. As the screening power of the electrons of the f subshell is very poor, that's why there is regular decrease in the atomic radii of these elements, this is called lanthanoid contraction

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