Electronegativity  [ENDORSED]

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Lily Nguyen 3G
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Postby Lily Nguyen 3G » Tue Oct 31, 2017 5:29 pm

If electronegativity increases as you go up a group and across a period, why is fluorine the most electronegative element?

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Re: Electronegativity

Postby allyz1F » Tue Oct 31, 2017 6:00 pm

Fluorine is the most electronegative element because it is the most readily available to fill its octet and obtain a noble gas configuration because it has seven valence electrons; or if you will, it is the most "willing" to accept a single electron to fill its octet and the most "unwilling" to donate electrons to fill other octets.

Salma Quintanilla 1J
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Re: Electronegativity

Postby Salma Quintanilla 1J » Tue Oct 31, 2017 7:41 pm

Fluorine on the periodic table is the first element in that group and it is pretty far to the right so it does still follow the electronegativity trend of increasing across the periods and up a group.

Mitch Walters
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Re: Electronegativity

Postby Mitch Walters » Tue Oct 31, 2017 7:50 pm

Fluorine is in the perfect place to fit that trend. It's in the top corner, so it makes sense that it would be the most electronegative.

Julia Meno 1D
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Re: Electronegativity

Postby Julia Meno 1D » Tue Oct 31, 2017 9:27 pm

And just to add on, the most electronegative atom is Fluorine instead of Neon because Neon is a noble gas and therefore doesn't "want" more electrons because it already has a filled valence shell.

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Re: Electronegativity  [ENDORSED]

Postby isauramora3K » Sat Nov 11, 2017 2:22 pm

Fluorine is the most electronegative element because it has 5 electrons in its 2P shell. Since is so close to noble gas configuration the electrons are held very close to the nucleus and its desire to gain an electron is very high.

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