electron density

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Roni Touboul
Posts: 31
Joined: Fri Sep 28, 2018 12:24 am

electron density

Postby Roni Touboul » Wed Nov 21, 2018 12:43 pm

how do you determine how many regions of electron density there are?

Kim Tran 1J
Posts: 62
Joined: Fri Sep 28, 2018 12:24 am

Re: electron density

Postby Kim Tran 1J » Wed Nov 21, 2018 12:56 pm

You count the number of bonded pairs and lone pairs around the central atom to find the total regions of electron density. Double and triple bonds count as one region of electron density.

Manu Vohra 1L
Posts: 61
Joined: Wed Oct 03, 2018 12:15 am

Re: electron density

Postby Manu Vohra 1L » Wed Nov 21, 2018 11:02 pm

In addition to the above reply, remember that a single unpaired electron (found in radicals) counts as a single region of electron density (basically a single unpaired electron is treated as if it were a normal lone pair).

Vikramjeet Gill 1C
Posts: 30
Joined: Fri Sep 28, 2018 12:15 am

Re: electron density

Postby Vikramjeet Gill 1C » Thu Nov 22, 2018 10:32 am

After you draw the lewis structure you can count the number of regions with high electron density which are the bonding pairs and unshared electron pairs around the central atom. Double and triple bonds count as one region of electron density.

Atul Saha 3D
Posts: 30
Joined: Fri Sep 28, 2018 12:25 am

Re: electron density

Postby Atul Saha 3D » Thu Nov 22, 2018 12:01 pm

The first step is to draw the lewis structure. Electron densities include areas where you are most likely to find electrons. This includes all lone pairs and bonding regions. It's important to note that a double or triple bond would still count as one electron density.

Much Joy,
Atul


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