Electronegativity values

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Electronegativity values

Postby Sophia_Kiessling_2L » Thu Nov 08, 2018 11:31 pm

Will we be given values of electronegativities when asked, for example, to say which compound would have bonds that are primarily ionic?

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Re: Electronegativity values

Postby Andre_Galenchik_2L » Fri Nov 09, 2018 12:19 am

Most likely, as we do not need to memorize each element's value, but rather the trend across a group and period.

Marwan Masri 3B
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Re: Electronegativity values

Postby Marwan Masri 3B » Fri Nov 09, 2018 12:38 am

yes, you'll be provided with the electronegativities needed to answer such a question, eventhough you could probably make a pretty accurate guess based on whether the elements are metals/nonmetals and such.

KatelinTanjuaquio 1L
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Re: Electronegativity values

Postby KatelinTanjuaquio 1L » Fri Nov 09, 2018 1:34 am

We should be given the electronegativities as we are usually not asked to memorize values.

Michael Novelo 4G
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Re: Electronegativity values

Postby Michael Novelo 4G » Fri Nov 09, 2018 5:22 pm

If it were on a test I'd imagine the electronegativity values would be given to each element listed because between 1.5 to 2 the molecule tends to have some covalent character, and to figure out that precise value some number would be given to us I'd imagine. So I wouldn't worry about it too much but have a general sense of what molecules are covalent and ionic bonds. Ionic bonds are usually salts like KCl, KF, LiF and covalent bonds are molecules such as Hi, HBr, HCl.

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