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wach Group Title

How does one calculate electronegativity? example, what is the electronegativity difference between oxygen and hydrogen?

  • 2 years ago
  • 2 years ago

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  1. Australopithecus Group Title
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    Well I would look at scientific papers done by linus pauling (amazing scientist) on the subject as he is the one who first proposed electronegativity. I wish I could be of more help I hope someone comes along and explains it as it is an interesting question

    • 2 years ago
  2. Australopithecus Group Title
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    I'm going to download the journals right now actually would you like me to post them?

    • 2 years ago
  3. wach Group Title
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    Sure. I would definitely appreciate that. Thank you!

    • 2 years ago
  4. NoelGreco Group Title
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    Electronegativity is just a number for each element. You can find it on a Periodic Table that includes electronegativity.

    • 2 years ago
  5. Australopithecus Group Title
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    This question is more in relation to how one would measure it in a laboratory I would assume. Which is an interesting question.

    • 2 years ago
  6. NoelGreco Group Title
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    http://www.tutor-homework.com/Chemistry_Help/electronegativity_table/electronegativity.html

    • 2 years ago
  7. Australopithecus Group Title
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    At least that is what I interpreted the question as

    • 2 years ago
  8. wach Group Title
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    The question was directed to both how it is measured in a laboratory as well as how to figure out the electronegativity difference. So both answers are correct.

    • 2 years ago
  9. Australopithecus Group Title
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    I have yet to read this article so I do not know if it contains your answer I will search a little more and I plan on reading them later

    • 2 years ago
  10. chemENGINEER Group Title
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    yes i would also just use a periodic table of elements. general rules are the more top and to the left, the more electronegetive. there are exceptions but its a good rule.

    • 2 years ago
  11. chemENGINEER Group Title
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    to the right*

    • 2 years ago
  12. wach Group Title
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    Thanks much to all of you. I appreciate it.

    • 2 years ago
  13. Australopithecus Group Title
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    • 2 years ago
  14. Australopithecus Group Title
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    Wait I have one more journal that is probably what you are looking for

    • 2 years ago
  15. Australopithecus Group Title
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    Another scientist updated the pauling scale, I will update his publication give me a minute to find it

    • 2 years ago
  16. Australopithecus Group Title
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    I think the last journal I posted goes over everything though

    • 2 years ago
  17. Carl_Pham Group Title
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    Electronegativity doesn't have an umabiguous and natural definition, like ionization potential or electron affinity. It's a made-up quantity, like "percent ionic character" or "percent metallic character" or "how poisonous" that is meant to convey an overall impression of a whole basket of underlying well-defined physical and chemical properties. What happens is that various people have devised various definitions of electronegativity, which they hope result in a scale that best captures the bonding behaviour of atoms (which is the point of the EN scale). You then follow those defintions to calculate the EN. For example, the earliest proposal for electronegativity was that by Linus Pauling, and he gave a definition that involved comparing the first ionization energies of the elements. That would only give you a relative number, so you still had to define at least one electronegativity arbitrarily, and then measure every other number relative to that. Pauling chose to define the EN of fluorine as 4.0, and then measure everything from that, and that gives you the Pauling EN scale. There have been a number of other scales proposed, but unless this stuff fascinates you I think most people just stick with Pauling, since the precise numbers don't matter a whole lot -- you're just interested in the broad trends.

    • 2 years ago
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