## Electron Density and Hybridization

$sp, sp^{2}, sp^{3}, dsp^{3}, d^{2}sp^{3}$

juliasloan_4g
Posts: 67
Joined: Fri Sep 28, 2018 12:28 am

### Electron Density and Hybridization

Do the regions of electron density surrounding the atom always match up with the hybridization state? So far I have been doing this and it has been working ex: if there are two regions of electron density it is sp hybridization,3 is sp2 and so on. However in the solution manual for 2F13. (seventh edition) this does not seem to work, as all of the carbons have 4 regions of electron density in the lewis structure but their hybridizations are sp2 and sp.

Francis_Nguyen3D
Posts: 35
Joined: Fri Sep 28, 2018 12:24 am

### Re: Electron Density and Hybridization

Yes, regions of electron density do match up with the number of hybridized orbitals. For problem 2F.13, it asks for the hybrid orbitals of each carbon atom. So when you draw the lewis structure of CH2CHCN, there should be three regions of electron density around two of the three carbon atoms and two regions of electron density around one of the carbon atoms. Use the image for reference! :)- remember, a double bond/triple bond counts as one region of electron density not 2 or 3
https://www.quora.com/What-is-the-IUPAC-name-of-CH2CHCN

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