## sp3 hybridization

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

Shivangi_2J
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Joined: Fri Sep 28, 2018 12:15 am

### sp3 hybridization

does the central atom of a molecule with a tetrahedral shape always have sp3 hybridization?
Last edited by Shivangi_2J on Sun Nov 18, 2018 2:42 pm, edited 2 times in total.

Daniel Lai
Posts: 65
Joined: Fri Sep 28, 2018 12:28 am

### Re: sp3 hybridization

Yes, I think so, because tetrahedral geometry has 4 areas of electron density.

Shivangi_2J
Posts: 65
Joined: Fri Sep 28, 2018 12:15 am

### Re: sp3 hybridization

What is the hybridization of the central atom in a molecule with trigonal pyramidal shape?

Arshiya
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### Re: sp3 hybridization

I believe it should also have an sp3 hybridization.

davidbakalov_lec2_2L
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Joined: Fri Sep 28, 2018 12:23 am

### Re: sp3 hybridization

The hybridization is based solely on the amount of "things" around the central atom, whether it's a lone pair or another atom, it will always be the same for a certain amount. So if there are 4 "things" around the central atom like in the tetrahedral or trigonal pyramidal case, the hybridization will be sp3.

mayra martinez 1D
Posts: 32
Joined: Fri Sep 28, 2018 12:17 am

### Re: sp3 hybridization

Yea to add on, you can write out the molecule in terms of A and x and E to represent the central atom, surrounding atoms and lone pairs, respectively. This allows you to see how many centers of electron density there are and thus be able to write out the corresponding shape and hybridazation.

Chem_Mod
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### Re: sp3 hybridization

Because we are only concerned with the substituents around a central atom, the short answer is yes: an atom with no lone pairs and four substituents will always be tetrahedral and sp3.

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