Atom vs lone pair

(Polar molecules, Non-polar molecules, etc.)

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RichardValdez1L
Posts: 59
Joined: Fri Apr 06, 2018 11:05 am

Atom vs lone pair

Postby RichardValdez1L » Mon Jun 11, 2018 4:18 pm

Why does a lone pair of electrons push away bonds more than a typical atom. For example, "120 degrees" vs "less than 120 degrees"

Tarek Abushamma
Posts: 30
Joined: Fri Apr 06, 2018 11:01 am

Re: Atom vs lone pair

Postby Tarek Abushamma » Mon Jun 11, 2018 4:23 pm

Lone pairs have higher electron - electron repulsion and thus they take up more space than atoms, pushing the surrounding atoms closer together and lowing their bonding angle.

Chem_Mod
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Re: Atom vs lone pair

Postby Chem_Mod » Mon Jun 11, 2018 5:53 pm

Yes, since lone pairs are concentrated closer to the central atom than bonding pairs.

nelquosey
Posts: 31
Joined: Fri Apr 06, 2018 11:02 am

Re: Atom vs lone pair

Postby nelquosey » Mon Jun 11, 2018 6:46 pm

lone pairs each have a negative charge, and they also have to respond to the charges of the atoms, making them push in the directions that they do push in. Think of it as a bunch of magnets of identical charges.


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