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Arrows

Posted: Sun Mar 12, 2017 11:00 pm
by Aarthi_Lakshmi_2A
If arrows are supposed to point from electron rich regions and go towards electron deficient regions, why are there so many examples of arrows going from hydrogen to bromine or to chlorine? Is it because the electrons first move to hydrogen and move somewhere else from there?

Re: Arrows

Posted: Sun Mar 12, 2017 11:10 pm
by feodora_r_3d
I'm guessing the arrows you meant by pointing from hydrogen to chlorine are bromine is most probably from the bonds, and not from the hydrogen atom itself. If it is from the bond, then one explanation is because bonds contain electrons and therefore can be considered a source of electron or electron rich regions ...

Hope this helps!