Electronegativity

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melissa_dis4K
Posts: 106
Joined: Fri Sep 28, 2018 12:28 am

Electronegativity

Postby melissa_dis4K » Wed Dec 05, 2018 12:49 pm

Between atoms like chloride and oxygen how do you determine which has a higher electronegativity given that electronegativity increases as you go up and across to the right?

Kayla Vo 1B
Posts: 60
Joined: Fri Sep 28, 2018 12:26 am

Re: Electronegativity

Postby Kayla Vo 1B » Wed Dec 05, 2018 1:57 pm

Going down a group has more impact on the electronegativity of an atom than going across a period. As you go down a group, there will be another valence shell added. This means that the outermost electrons feel less pull from the positive nuclear charge. Because of this, chlorine is less electronegative compared to oxygen.


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