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Electron Affinity

Posted: Sun Nov 04, 2018 5:28 pm
by Maggie Doan 1I
Which has a higher electron affinity, chlorine (Cl) or Neon (Ne)?

I know that chlorine has the higher electron affinity but why?

Re: Electron Affinity

Posted: Sun Nov 04, 2018 5:32 pm
by Jim Brown 14B Lec1
The Noble gasses are nonreactive. Neon has a greater effective charge, but its octet is complete, so it won't pick up any electrons, where chlorine will in order to complete the octet.

Re: Electron Affinity

Posted: Sun Nov 04, 2018 10:41 pm
by Luc Lorain 1L
Jim Brown 14ALec4 wrote:The Noble gasses are nonreactive. Neon has a greater effective charge, but its octet is complete, so it won't pick up any electrons, where chlorine will in order to complete the octet.


Basically this; Chlorine is reactive due to its noncomplete (7/8 e-) valence shell, which pulls electrons in to complete the octet.