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The elements Li, Na and K, each having o...

The elements Li, Na and K, each having one valence electron, are in period 2, 3 and 4 respectively of modern periodic table.
Which one of them has the largest atomic radius?
Give reason to justify your answer in each case.

Text Solution

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K is largest in size as it has four shells.
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Knowledge Check

  • An element is having electronic configuration 2,8 will belong to which group as-per modern periodic table ?

    A
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    B
    Group 17
    C
    Group 16
    D
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