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Determining how many electron densities

Posted: Sun Jul 21, 2019 4:02 pm
by MedhaVallurupalli1F
Do lone pairs count toward the number of electron densities? Or is it just the number of bonds? For example, if a F atom has three bonds and a lone pair, would it be three or four regions of e- density?

Re: Determining how many electron densities

Posted: Sun Jul 21, 2019 5:25 pm
by Yilun Ding
A lone pair is also an electron density. Therefore, a molecule with 3 bonding pairs and 1 lone pair should have 4 electron densities.

Re: Determining how many electron densities

Posted: Sun Jul 21, 2019 6:49 pm
by Leah farhadi 1F
There would be four regions of electron densities. When determine shape we look at electron density and lone pairs count towards creating the overall shape and also have an effect on the bind angles.

Re: Determining how many electron densities

Posted: Mon Nov 11, 2019 8:34 am
by Yiyang Jen Wang 4G
Yes! Lone pairs do count toward the number of electron densities! The F atom should have four regions of electron density.

Re: Determining how many electron densities

Posted: Mon Nov 11, 2019 8:47 am
by AprilPaz
Lone pairs count as electron densities.

Re: Determining how many electron densities

Posted: Tue Nov 12, 2019 5:40 pm
by BCaballero_4F
Yes they do count, so for this example it would be 4 instead of 3.