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Across the period, electron affinity...

Across the period, electron affinity

A

decreases

B

increases

C

decrease and the increases

D

increase and then decreases

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Knowledge Check

  • When we move from left to right across a period, the electron affinity

    A
    Remain the same
    B
    Approach Zero
    C
    Decreases
    D
    Increases

  • The halogen with the highest electron affinity is :

    A
    `F`
    B
    `Cl`
    C
    `Br`
    D
    `I.`

  • The ionization energy and electron affinity of an element are 275 and 86 kcal mol^(-1) respectively. Electronegativity for this element (on Pauling scale) is

    A
    2.81
    B
    0.0
    C
    4.0
    D
    3.5

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    How does electronegativity vary (i) down the group (ii) across the period from left to right ?

    Noble gases have _____electron affinity

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