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While I'm in chem class i'm literally just adding this mans videos to a youtube playlist according to what we are learning about. He is my true professor.
Sad that I’m in college and I sat through a 3 hour lesson through this and didn’t understand sh*. Now I’m sitting here with full comprehension. And I’m what some would call a “smart kid” please... I’m stupid.
Am sure am the one who watches your videos almost all of them becoz what you are teaching is updated and completely clear and understandable. You made me love chemistry and for that result, you made me love you bro.thanks alot ,teachers just teach, but nothing we gain except paying lots of that they aren't worthy. If yu wre my teacher I could support forever in any way 😍💯💞
The bond angles in those shapes would be approximately what they are in the geometrical configuration they come from. Square planar bond angles would be 90 degrees. See saw would have two angles that are approximately 90 degrees and one angle of about 120 degrees between the equitorial atoms. Similarly, the angles in the t shape would be about 90 degrees. However, in the see saw and t shape, repulsion from the lone pair would lessen the angles a little. Source:Google
By using the type of Hybridisation formed . sp,sp2,sp3,sp3d,sp3d2 and etc. Each type has a different shape like Linear, Trigonal bipyramid, Square planar, Tetrahedreal, Octahedral. Use Google to see that.
Professor Organic Chemistry Tutor, thank you for another awesome Introduction into Molecular Geometry and VSEPR theory in AP/General Chemistry. The names of each molecular structure makes it simple to visualize and draw each structure. A basic understanding of Geometry is also helpful in this case. This is an error free video/lecture on TH-cam TV with the Organic Chemistry Tutor.
Every time I feel down not being able to understand chem class, I watch your video, and surprise how simple, logical, and interesting it is!!! At the same time I ‘d like to punch the chem teacher in the class for making us all baffled.
@@salahali7653 new idea, trigonal pyramidal has 1 electron on top and 3 bonds in the bottom, just memorize that the bonds bend down into a pyramid shape because of that, a T shape has 2 instead of 1 lone pair
IF3 7 ve + 3(7) ve = 28 ve unless if Hydrogen, the atom has to be octet. So, 8 ve x 3 = 24 ve (near 28 ve) Remaining 4 ve is in the central atom (which is Iodine in this case)
dont think of the electrons when you consider the name although the total lone pairs play a role, think of the bonds at the bottom creating a see saw shape
@@siyara_bis while it does need 8 according to the octet just remember that some elements dont need 8 and can have more or less, as long as its formal charge is 0 it does not need 8 but if it does not have a formal charge of 0 it needs 8.
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Final Exams and Video Playlists: www.video-tutor.net/
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While I'm in chem class i'm literally just adding this mans videos to a youtube playlist according to what we are learning about. He is my true professor.
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Sad that I’m in college and I sat through a 3 hour lesson through this and didn’t understand sh*. Now I’m sitting here with full comprehension. And I’m what some would call a “smart kid” please... I’m stupid.
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Am sure am the one who watches your videos almost all of them becoz what you are teaching is updated and completely clear and understandable. You made me love chemistry and for that result, you made me love you bro.thanks alot ,teachers just teach, but nothing we gain except paying lots of that they aren't worthy. If yu wre my teacher I could support forever in any way 😍💯💞
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Thank you (Wed 16 Dec 2020, 6:32 AM)
hi there. sorry what is the bond angles for the seesaw, T- shape, square plannar and square pyramidal ?
The bond angles in those shapes would be approximately what they are in the geometrical configuration they come from. Square planar bond angles would be 90 degrees. See saw would have two angles that are approximately 90 degrees and one angle of about 120 degrees between the equitorial atoms. Similarly, the angles in the t shape would be about 90 degrees. However, in the see saw and t shape, repulsion from the lone pair would lessen the angles a little.
Source:Google
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Do you have any molecular orbital theory videos?
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how do I determine which molecular geometry I must use?
By using the type of Hybridisation formed . sp,sp2,sp3,sp3d,sp3d2 and etc. Each type has a different shape like Linear, Trigonal bipyramid, Square planar, Tetrahedreal, Octahedral. Use Google to see that.
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Professor Organic Chemistry Tutor, thank you for another awesome Introduction into Molecular Geometry and VSEPR theory in AP/General Chemistry. The names of each molecular structure makes it simple to visualize and draw each structure. A basic understanding of Geometry is also helpful in this case. This is an error free video/lecture on TH-cam TV with the Organic Chemistry Tutor.
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Every time I feel down not being able to understand chem class, I watch your video, and surprise how simple, logical, and interesting it is!!! At the same time I ‘d like to punch the chem teacher in the class for making us all baffled.
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1:20 Trigonal Bipyrimidal bond angles. 90, and 120
3:00 Seesaw
My teacher wasn’t in class and the videos we were giving didn’t make sense. Everyone here is saying they have an understanding now so let’s see…
Ax5: Trigonal Bipyramidal
Ax4e1: Seesaw
Ax3e2: T-Shaped
Ax6: Octahedral
Ax5e1 : Square
Ax4e2 : Square planar
you forgot linear (ax2e3)
Thank you!
bro, you are really the best teacher in the world 💯💥
How do differentiate between the T shaped one and the trigonal pyramidal? They both have lone pairs or Im not comprehending correctly?
By the angles between each bond.
Trigonal pyramidal includes only 1lone pair on the central atom whereas in the Tshape there’s 2lone pairs on the central atom
nvm forget what I said lol ironically I memorized all of them
@@dominusdone5023 ah yes after a couple of semesters i finally understand what to do. Just memorize
@@salahali7653 new idea, trigonal pyramidal has 1 electron on top and 3 bonds in the bottom, just memorize that the bonds bend down into a pyramid shape because of that, a T shape has 2 instead of 1 lone pair
the top G
5:54 doesn’t this leave Iodine with 7 electrons.? Two lone pair and 3 shared?
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How do yk the angles of the molecule
What is the bond angle of see saw ?
Thank you for the video! I have one question, I'm having trouble understanding the hybridization of the I in IF5
Can someone help me, please?
sp3d2
Just circle the bonds around the Center atom, if the lone pair is connected count that too.
Has a steric number of 5; 1 lone pair and 4 single bonds with Fluorine. Thus, hybridiziation of the Iodine is sp3d2.
Thank god for this video I did pay attention in lecture
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How do you list molecular geometry when there are two central atoms? Will there be two different EG/MG at that point?
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How do first molecule P has 10 electrons
Nick T it can expand its octet
saving my life
5:44 doesnt the iodine break the octet rule? I see 10 valence electrons there, when i thought it should be 8. Can you explain?
Sometimes, it can be broken if it minimizes formal charge
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IF3
7 ve + 3(7) ve = 28 ve
unless if Hydrogen, the atom has to be octet. So, 8 ve x 3 = 24 ve (near 28 ve)
Remaining 4 ve is in the central atom (which is Iodine in this case)
literally changed my life
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Thank you so much 😊
Don’t understand and See saw… it looks nothing like one.
It sort of does. Think of the two central angles atoms being the middle base of the seesaw, with the linear backbone ends being the "seats"
dont think of the electrons when you consider the name although the total lone pairs play a role, think of the bonds at the bottom creating a see saw shape
Thank youuuuuuu❤️❤️❤️❤️
What are those dots mean?
electrons
Noiiice!
how did you know that each Fluorine is gonna have 8 electrons?
Because fluorine has 7 electrons, and it needs 8 according to the octet rule.
@@maviscrownguard1436 thank you!
@@siyara_bis while it does need 8 according to the octet just remember that some elements dont need 8 and can have more or less, as long as its formal charge is 0 it does not need 8 but if it does not have a formal charge of 0 it needs 8.
these videos have been so helpful! Thank you!
I can't write "seesaw" on an exam, my professor would laugh at me.
don't write that on any exam lol
@@q_q123 my teacher taught me that term. I thought it was a legit term lol
@@Mggames-ds5dm its a legit term u fuknutz
@@robertowisconetti2732 i know. Further research shows that lol
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