Valence Bond Theory: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Vqx9a2aU99c.html Chemistry PDF Worksheets: www.video-tutor.net/chemistry-basic-introduction.html Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
@@electro_yellow9295 Personally my professor sucks so I have to look up all the topics he tries to explain in class and teach myself. We don't even have a textbook, he teaches through handouts. So it's not that they aren't a good student, probably just a bad teacher. The fact that they are watching this video, trying to learn and understand it makes them a good student. 🙄
I wouldn't really call that smart, I know some people who revise constantly and still don't do well. I revise hours before exam and manage to do well somehow
@@MyTopAnime it's confidence that boosts your exam. i've found myself revising nothing and just messing around in the test and somehow getting it right many times. I'm not even that smart
You have seriously saved my extremely frustrating experience with Chem!!!! My teacher blows but your videos have been so helpful. THANK YOU SO MUCH :))))))
@@thanoonsaleh5460that doesn’t matter. stupid argument. sometimes in school you learn things not based off of importance, but based on teaching your brain to be able to learn and understand concepts. something you haven’t learned to do yet, i see
I write my final chemistry exam on Monday. So nervous but I’m so excited to finally be done with this stuff. Bit sad that I’m never gonna have to watch one of your videos again tho :( thanks for doing a better job than my teachers 😀
literally tho. It's only a matter of time until someone online figures out how to get their free website accredited and starts out competing the colleges and technical schools, which both cost ungodly amounts in cash.
I just want to mention that the bond angle for trigonal pyramidal molecules, starting from NH3, is 107*. As you go down and to the left on the periodic table, elements get larger, meaning PH3 is larger than NH3 and AsH3 is larger than both PH3 and NH3; AsH3>PH3>NH3. Because these are larger molecules, their shells are further apart, making the bonds longer and weaker. This subsequently reduces the bond angles as the molecule gets larger. Unfortunately, just gotta memorize the numbers, but realize that it is NOT 107*. NH3 = 107* PH3 = 93.5* AsH3 = 91.8*
The thing that is best about him is that he never takes credit for something he is doing but he always respects his audience so as working with sincerity.. We really appreciate the efforts
I'm in near tears. I was so lost with chemical bonding chapter but the formal charge thing really helped me up understand how people just somehow knew how to write certain molecules. I took that knowledge with this and now i finally can practice without anxiety. thank you so much,sir.
I’m having a hard time in Chem, something which is strange for me because I’ve never struggled with any classes before and my teacher isn’t helpful at all. Thanks to this tutorials I’ve been passing my tests
I appreciate you, JG. I've been watching your Chem and math videos since like 2016 and it really has helped me get a better understanding of the material. You are brilliant and really know your stuff. Thank you from the bottom of my heart for dedicating your time to teach us, AND always providing us with high quality material, for free. I wish you + your loved ones good health, happiness, success in whatever you put your mind to, and more life. May angel's protect you, trouble neglect you, and heaven accept you.
@@abcdefg-hv2ks you’re right, i’m pretty lucky 😅 and thanks! it went well! i’m going to miss him next semester though :( i wish he taught more chem courses
Hey at 9:35 when you are drawing the SO2 molecule in lewis form, you draw it as having 1 double bond and 1 single bond between the oxygen. However, when I search the structure on google as well as in molecule structure situations it is always with 2 double bonds. I imagine this means that Sulfur has an overfilled octet because that is possible for sulfur. Can you explain why you draw it like that, is there a reason why it all 3 atoms should follow the octet rule(in your drawing), or should Sulfur be overfilled?
I love your videos man! Your voice is so soothing, too. My professor is great but he doesn't like to lecture (he wants to empower us to find our own solutions eeeeeeeeekk). You have really helped to fill some holes in my comprehension.
Thank you very much for helping students like me to understand concepts in a better way. Your explanations are excellent and You are one of the best teachers I have ever got. Every lessons of yours helps me a lot. I RESPECT YOU SINCERELY🙏🙏🙏
going from 6 years of working to Biomedical science course, you will be the one thing giving me a fighting chance hahahha thank yu so muhc. you've literally helped me with physics, math and chemistry so far. you're a godsend i swear haha
Why isn't I3 bent? Edit: it's not bent because it's EGG is trigonal bipyramidal, and so the lone pairs will be as far apart as possible and the farthest angles are the 120° ones and so all the lone pairs will be on the "planer" part of the shape, leaving only the axial bonding pairs 90° from each lone pair so the molecular geometry is linear. Idk why he mentioned it with the other one who's egg was linear and not with the other trigonal bipyramidal
With the Triiodide you showed at 2:00, how come the all the iodides have 3 lone pairs? The middle iodide has two bonds. Is that because it is in the fifth group and can in turn have more than 8 valence electrons?
@@Ahmed-bb4yp Huh? How come that's my problem? The purpose of this comment is to make someone laugh even a bit while reading the comments. And, I don't need likes... what does that even contribute to my life? Fame? Nahh, I have no time for that stuff.
Ever since you helped me get a A in physical chem. I used to listen to him videos in year phones to the last minute in the exam room. I would even visually what he would say if he was there looking at the exam
All these "academic instructors" keep mentioning passing the test, exam, quiz. Not one has mentioned the value of learning this information beyond getting through the course. Perhaps occasionally mention the potential value of this technology for pharmacy, industrial chemicals, medical application, fuels or any other benefit to mankind. Maybe students would better appreciate chemistry if they were taught some of its worthwhile applications. This from a retired electronics engineer who at one time "just had to pass the test".
@theorganicchemistrytutor Would you mind increasing the volume of your recordings please? Its really soft and I've maxed out my Chromebook speakers Also, its a bit muffled . Thank you for your free videos 'cos I'm not a rich Chem student who can buy tutors
When you're watching this without context cuz you've been sleeping through chemistry and have a summative assignment due: I know I'm just reaping what I sowed but DAMN am I screwed.
two months of in class lectures for me to not understand jack SHIT. been cramming all of your videos and they're helping so muchhhhh (I have a test tmr and this will replace my sleep)
God bless you sir I'm always in your debt it's like a miracle to understan a whole unit in a pair of 13min videos tutor I'm really greatful for God because of u😊
some molecules have their own names given to them like methane and they don't all necessarily follow the prefixes rule in naming them. Hope that helped :D
I don’t like chemistry and I just need to get through this year, but your videos have helped make chem bearable! I finally know what I’m doing in class now
Tetrahedal - 109.5 Triagonal pyramidal - [109(Sub4 bounds)-2e that are above the molecule](Sub3 bounds)=107 Bent - [109(Sub4 bonds)-4e that are above the molecule](Sub3)-0.5=104.5 This is my way to achieve a memorization of that weird angles
dude why does a lone pair reduces the bond angle by 2.5? It might not always be the case but the bond angles you illustrated had this thing common in them.
At first I didn't understand this topic when the teacher taught me at school but now I so understand this...feeling quite great thank you so much best tutor lesson💯📌
U can watch this-ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-NHTsh5Bg5NI.html U may felt the problem of audio here also sry 4 tht plz use earphones or full volume
Professor Organic Chemistry Tutor, thank you for an exceptional Introduction into VSEPR theory and Molecular Structure in AP/General Chemistry. Visualization and Pattern Recognition are strong tools when it comes to drawing the Lewis Structures along with the correct Molecular Geometry. This is an error free video/lecture on RU-vid TV with the Organic Chemistry Tutor.
