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Dumb_as_a_Duck

  • 4 years ago

Why is electron affinity of chlorine greater than that of fluorine? (because electron affinity is generally supposed to decrease down the group, isn't it? ) I tried googling it, but I still didn't understand. :P

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  1. Rogue
    • 4 years ago
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    Did you read the reason about electron densities of the elements?

  2. Dumb_as_a_Duck
    • 4 years ago
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    Nope :/

  3. Rogue
    • 4 years ago
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    The reason fluorine has a lower electron affinity than chlorine is because it is an extremely small atom and so its electron density is very high. Because of such a high electron density, adding another electron to it will make the atom unstable because of the strong repulsion between the electrons in such a tight space.

  4. Dumb_as_a_Duck
    • 4 years ago
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    Oh.

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