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-   -   Why alkali metals have largest radii? (https://www.askmehelpdesk.com/showthread.php?t=557416)

  • Feb 24, 2011, 03:39 AM
    sarah1994
    Why alkali metals have largest radii?
  • Feb 24, 2011, 08:31 AM
    Unknown008

    You forgot something... they have the largest atomic radii in their periods.

    Yes, now what do you think is the answer?

    Remember that atomic radius is affected by:
    - Number of shells between the nucleus and the last electron shell
    - The attractive nature of the nucleus towards the electrons
    - The repulsion between the electrons within or outside the shell

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