Bond Angle

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

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Genisis Cabral
Posts: 20
Joined: Fri Sep 29, 2017 7:07 am

Bond Angle

Postby Genisis Cabral » Sun Dec 03, 2017 6:26 pm

In situations where there are two bond angles such as 120 and 90 in molecular shapes such as trigonal bipyramidal, how would you know what bond has the 120/90 degree when labeling?

Ozhen Atoyan 1F
Posts: 50
Joined: Thu Jul 27, 2017 3:01 am
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Re: Bond Angle

Postby Ozhen Atoyan 1F » Sun Dec 03, 2017 6:33 pm

The angles to the bonds are shown in the textbook. You can draw out the VSEPR model to see approximately what the angles are. Other than that you may need to memorize them. The angles will be the maximum space apart that the atoms can move to. This is due to the repulsion of the lone pairs.

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