(Polar molecules, Non-polar molecules, etc.)
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For H20, there are four regions of electron density, but two are occupied by lone pairs of electrons. This means the other two regions are occupied by bonded electron pairs, which is what we name shaped based off of. The name for this shape is bent or angular when two of four regions of electron density are considered.
Yes, and keep in mind that the shape is also called bent when referencing a molecule with two bonds and one lone pair. For example, Sulfur dioxide would have a trigonal planar electron pair geometry and a bent molecular geometry.
Like the person above mentions, there are a lot of really great graphics that display all the different shapes based on lone pairs and such. Here is a link to a website with a graphic that I find quite helpful: https://courses.lumenlearning.com/bound ... -geometry/
Hope this helps!
Hope this helps!
Wasila Sun 1K wrote:What is the shape called when there are 2 lone pairs and 2 bonding pairs like H2O? Is "bent" the official shape name?
Hi! The official name would be bent or angular. An example of this would be H2O. Here is a link to a chart that I have found very helpful with learning the names of the various shapes.
https://ds055uzetaobb.cloudfront.net/im ... 091b2c.png
Hope that helps!
Hi I found this website very useful to study molecular geometry
Yes, the shape is just called bent. Bent can also result from a molecular geometry of 3 regions of electron density, and one lone pair! The bond angles will be different between these two configurations of the bent shape though.
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