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Why electron affinity of halogens is the...

Why electron affinity of halogens is the highest ?

Text Solution

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The general electronic configuration of halogens is `ns^(2)np^(5)`. They can acquire noble gas configuration by accepting one electron. Hence, their electron affinity is the highest.
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Knowledge Check

  • The outermost electronic configuration of the element with highest value of electron affinity is

    A
    `ns^(2)np^(3)`
    B
    `ns^(2)np^(5)`
    C
    `ns^(2)np^(4)`
    D
    `ns^(2)np^(6)`

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