Molecular Geometry Made Easy: VSEPR Theory and How to Determine the Shape of a Molecule

Ketzbook explains molecular geometry, VSEPR theory, and the 5 basic shapes of molecules with examples for each one.
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VSEPR = Valence Shell Electron Pair Repulsion.
According to VSEPR, molecular shapes are best understood as resulting from the fundamental electrostatic force (Coulombic repulsion) of electrons repelling each other. The valence shell electrons (the electrons furthest from the nucleus and the electrons participating in bonding) are usually in pairs, and these pairs of negatively charged electrons repel each other and try to get as far apart as possible.
The 5 basic molecular shapes are:
linear
bent
trigonal planar
trigonal pyramidal
tetrahedral
#VSEPR #bonding #madeEasy #molecule #3d #geometry #ketzbook #tutorial
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[@ketzbook]

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[@ketzbook]

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[@ketzbook]

you're welcome :)

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Me too

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[@ketzbook]

glad it helped!

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[@ketzbook]

glad it helped! you're welcome!

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I was having a difficult time understanding this in Chemistry until I watched this video; it was better instruction than what my chemistry teacher gave me. I have a test on this topic soon, and I hope a receive a wonderful score!

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[@ketzbook]

thanks for the support!

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[@ketzbook]

Glad it was helpful!

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Because there's no student talking over him

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[@ayeshakhalid1341]

Omg omg thank you for this vid 😭😭😭😭😭😭 i srsly couldn't understand a word of vsepr theory and you made it look sooooo freaking eaassssyyyyy thank youuuu. Subscribed!!!!!

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[@ketzbook]

you're welcome!

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by far the best video about VSEPR on youtube.

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this video has helped me the most by far in understanding VSEPR theory, I have a test in two days and was stressing out, now am a bit more calm

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Great clarification. "Thing" approach really works. Thanks!

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Chemistry is fucking simple. We just need the right teacher, the right animation and the right tricks.

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Clear and concise info. The visuals are great. Thank you!

[@ketzbook]

you're welcome!

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Best video of molecular geometry using animation!😊😊😊😊

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[@ketzbook]

Glad it was helpful!

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[@ketzbook]

Glad it was helpful!

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[@ketzbook]

Thank you for your kind words! I recently started accepting memberships ($2/mo). Although I don't really do anything with it right now, I might do live videos in the future.

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nice video, i live in the netherlands with a totally different method at school, but this one video is really helpfull, thanks again

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Unbelievably well explained

[@mulethedonkey2579]

According to internet: *five electron domains around central atom is trigonal bypramidal, six electron domainds around a central atom is octahedral* There also SUB shapes, like T-Shaped, etc.

[@ketzbook]

well, the "internet" is not a real resource but a collection of many resources (some reliable, some not), but yes, in my next molecular geometry video I will include "expanded octet" shapes such as the ones you mentioned.

[@lessilly77]

@@ketzbook When might you have this next video available?

[@tidengao4835]

Hi sir, can you explain further related to geometrical shape of formaldehyde? Because according to what I learnt in school ,double bond is treated the same way as single bond, so it's actually trigonal planar with 120 degree.

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Can you please make a second video about the molecular geometry of non octet molecules and thank you for the GREAT explanation !!!

[@ketzbook]

thanks, yes, I probably will eventually, but I have a lot of other vids I want to do first.

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[@ketzbook]

You're welcome!

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Where can I found the video on octahedral or dipyramidal . Help please

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[@ketzbook]

glad it helped!

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What is the difference between molecular structure and molecular geometry

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What is the molecular geometry shape of NaCl?

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In 2:11, why does s need 8 dots?

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Thanks 😄

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thank you

[@ketzbook]

you're welcome!

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When two atomic orbitals combined they form two molecular orbitals antibonding molecular orbital and bonding molecular orbital then how do they exist is there any force of attraction between antibonding and bonding molecular orbital in a molecule

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no it doesnt lmfao u could use some more class💀

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[@davidzhu4300]

Shouldn't there be 2 double bonds on the S? The lewis structure you drew isn't the best one??

[@ketzbook]

no

[@MangosAreOverhyped]

@@ketzbook Hi, I'm also seeing other videos showing the lewis dot structure having 2 double bonds, could you please elaborate? Thank you

[@ketzbook]

@@MangosAreOverhyped People used to think that minimizing formal charge was very important and that sulfur had low energy empty d-orbitals that could pi-backbond. This has been disproven. Sulfur does NOT have an expanded octet. You cannot exceed the octet for sulfur or most main group elements. Simply put, lots of people are simply wrong and unaware of published research from nearly 30 years ago disproving these "expanded octets."

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Great!!!

[@ketzbook]

glad you liked it!

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why not do it with hybridization?

[@ketzbook]

hybridization will be a later video. Also, geometry determines hybriziation, NOT the other way around.

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Are you saying if all atoms can bond we can pass through stuff :0

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i hope to pass organic chemistry class this time

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What about angular because isn’t there a difference between bent and angular?

[@ketzbook]

you'll have to be more specific. If you are referring to differences in bond angles, I will cover that in a later video.

[@calesorg7809]

@@ketzbook oh ok yeah I was referring to bond angles

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This is in our review but we never even learned it :,) I’m gonna fail I have the exam in 10 minutes

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Why didn't I find this earlier 😭?

[@ketzbook]

the algorithm doesn't always work ;)

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