What is electronegativity and what is its periodic trend?

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Meave60 · Media Owl
Nov 13, 2014

Electronegativity is the tendency of an atom or a functional group to attract electrons towards itself (http://en.wikipedia.org/wiki/Electronegativity). The electronegativities of the elements tend to increase from left to right across a period, and increase from bottom to top up a group.

http://www.drcruzan.com/PeriodicTrends.html

Francium is the least electronegative element, and fluorine is the most electronegative element.

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