Exceptions To The Octet Rule - Lewis Dot Diagrams

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This chemistry video tutorial discusses the exceptions to the octet rule while providing the lewis dot diagrams of the molecular compounds involved. BH3 has an incomplete octet - that is, it has less than 8 electrons. Molecules such as ICl5 and PCl5 have an expanded octet which means the center atom has more than 8 electrons. The last category are molecules with odd number of electrons such as NO and NO2. These will always be electron deficient and contain an incomplete octet at the nitrogen atom.
How To Draw Lewis Structures:
• How To Draw Lewis Stru...
VSEPR Theory:
• VSEPR Theory - Basic I...
Molecular Geometry:
• Molecular Geometry & V...
Lewis Dot Structures:
• Lewis Dot Structures -...
Lewis Structures of Ionic Compounds:
• How To Draw The Lewis ...
_________________________________
Octet Rule Exceptions:
• Exceptions To The Octe...
Resonance Structures:
• Resonance Structures, ...
Polar and Nonpolar Molecules:
• Polar and Nonpolar Mol...
Formal Charge Calculations:
• How To Calculate The F...
Lewis Structures - Mega Review:
• Lewis Structures, Intr...
________________________________
Hybridization of Atomic Orbitals:
• Hybridization of Atomi...
Molecular Orbital Theory:
• Molecular Orbital Theo...
Dipole Dipole Forces of Attraction:
• Dipole Dipole Forces o...
Hydrogen Bonding:
• Hydrogen Bonds In Wate...
Unit Cell Chemistry:
• Unit Cell Chemistry ...
_________________________________
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24 окт 2017

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Комментарии : 243

@TheOrganicChemistryTutor 9 месяцев назад

Chemistry PDF Worksheets: www.video-tutor.net/chemistry-basic-introduction.html Final Exams and Video Playlists: www.video-tutor.net/

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@hadeerrashad5486 6 лет назад

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@JH-ux1re 2 года назад

3 years later after your comment I feel the same

@LinaSlay-md3vo 8 месяцев назад

@@JH-ux1re5years after and I feel the same

@juniorcyans2988 8 месяцев назад

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@dice5315 3 года назад

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@labajomtvince545 3 года назад

Hope my score too.

@monkeyninja7988 3 года назад

thank you but you have created a paradox.

@molo2793 3 года назад

Tru

@buryakulikov2415 3 года назад

@@monkeyninja7988 No, he is implying that you are a nobody

@monkeyninja7988 3 года назад

@@buryakulikov2415 still paradoxical unless he is using "no body" as a name

@gia3832 3 года назад

Just to help you guys- when he draws ICl5, he forgets to draw the 6 valence electrons around EACH Cl. Remember, the valence electrons are still there!

@julianoliver4386 3 года назад

thats what i came to the comment section for!

@samusaran13372 2 года назад

often times in higher chemistry courses, they will be omitted. but yeah you're right, and in gen chem or high school chem, teachers will likely take points off.

@jakestewart9 Год назад

tysm for saying that, i was so confused lmao

@glosephXO Год назад

Thanks a bunch. Came to the comments hoping someone would confirm this😅😅

@georgesadler7830 7 дней назад

Professor Organic Chemistry Tutor, thank you for a fantastic analysis into the Exceptions to the Octet Rule in AP/General Chemistry.The examples/practice problems shows the complete Octet Rule and when they are violated in Modern Chemistry. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the errors in this video.

@John-bq1lp 5 лет назад

man i love coming to your videos after I learn this stuff in school. It really helps to embed the information. ur a legend man.

@lina3995 2 года назад

Dude you are literally the best teacher out there man

@flwrtyong 5 лет назад

thank you so much, I’ve been struggling for weeks, and I finally understand!!

@ashudesmond3050 2 года назад

You're just too much dude. Thanks. Your videos have really helped me. Wish I knew you much earlier, I would have scored a better grade in math and chemistry. But am doing well in the university now. Thanks to your videos.

@anoushkaghosh6526 2 года назад

I struggled with this concept for days. Thankyou so much☺️☺️.

@SoylentSoy 9 месяцев назад

Dude, from one teacher to another. You're great at this. (Even if I am 6 years late to the party.) Your accent make's it interesting. "So that's BH3, that's just how it is. You gotta problem wit dat, wise guy?" OH, LOOKAT dis guy, with his exception to the octet rule. "HEY, I'm doin' Chemistry heah." etc. etc.

@blackraven6049 6 лет назад

Thank you! Unlike most people who come to youtube to learn, I have had a phenomenal professor, however even then I was unable to grasp VSEPR and Lewis Structures. you have made it so incredibly clear.

@sea5205 5 лет назад

Thankyou, I have been wondering why there were so many exceptions to the octet rule!

@gartyqam 5 лет назад

2:02 sounds like "the reason why nitrogen can have 8" -- he meant to say nitrogen CAN'T have more than 8. just a clarification for u guys

@enderslot467 4 года назад

how about the first row? can they be expanded? ..no? ....iam stupid

@KishoreG2396 4 года назад

@@enderslot467 No they cannot because the first row only has the 1s orbital, which can only hold 2 electrons maximum.

@enderslot467 4 года назад

@@KishoreG2396 so..question sir what is the valence of the column of He

@fkncompton7124 4 года назад

@@enderslot467 He column (Noble gases) have 8 valence electrons

@jasonma6177 3 года назад

I think it was his accent, I listened to it again and I think he said, "The reason why nitrogen can't have more than eight"

@user-rc7ik7xj1p 5 лет назад

organic tutor , god bless you brother and I wish you the very best

@ryanchen9010 4 года назад

You have been my mentor for so long

@nicolasdelaeter4124 6 лет назад

Thank you so much!! I think I get the octet rule now :)

@gdrivx 3 года назад

Well explained. Expectations arise for more in future.

@regiice7579 Год назад

Your videos gave me success in chemistry

@serenacrawford2342 5 лет назад

You are a God sent! Whenever I need help I know i'll find the answer in your videos and you always have clever ways to figure out problems! Thank you

@njodzekasharlot8990 2 года назад

Thank you for improving my knowledge in chemistry

@victormai5182 6 лет назад

better than some of the videos with many more views

@cosmo2139 Год назад

Thank you for making this video! It is helping me study. and you do explain it in a clear way. thank you Mr. Tutor.

@quandagledingle9494 Год назад

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@mizarahhye421 5 лет назад

Easy to learn!nice one!👍

@Matt-qt7ep 4 года назад

Thank you for this help I appreciate it! But there should be 3 lone pairs on each Cl atom at 5:45

@-mari-1880 5 лет назад

this makes soo much sense thank you sooo much (:

@soryegetun529 2 года назад

Awesome explanation. Thanks so much

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Simple and easy to understand

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@abshirmuuse2820 3 года назад

Thnks for ur explanation bro.🖤🙏

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@Jen-lu9id 3 года назад

Thank you so much!

@thomamoelijamakwati1993 6 лет назад

Nice video...thanks

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@rosette_renah 3 года назад

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@braden_ulmer 2 года назад

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@tubatamanna5426 6 лет назад

thanks this video very helpfull

@jacoboribilik3253 5 месяцев назад

I hate chemistry, there are exceptions to everything all the time because no one is able to come up with an all encompassing theory.

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Life is very complex

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@kuvira-3666 4 года назад

watching this for online class because my teacher is useless :/

@zoeallen66 2 года назад

at this point, you are my teacher.

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@CupcakeGoCrazy1 6 лет назад

This was perfect, thank you so much! Could not have found anything better

@jeyanmehta5624 2 года назад

brilliant video tysm

@kamalinmasturasaidin4204 Год назад

hi sir, may i ask when do we need to calculate those lone pairs?

@ezra2370 3 года назад

that lone pair formula 😎 life just got easier

@masonscruggs1209 Год назад

Thank you!!!

@smallben7744 Год назад

So helpful

@aphextwinfan4453 4 месяца назад

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@blackswan3694 5 лет назад

thank you

@masouddashti1734 4 года назад

Very good, I have a question what app or instrument you use? I mean that black board and the way you write on it, I m a teacher and need this good way to teach to my students, thank you

@ariannarodriguez5014 4 года назад

Wait, the electron configuration for P is 1s2,2s2,2p6,3s2,and 3p3. 2+2+6+2+3=15. That is the atomic number of P.

@mariamk8043 4 года назад

thank you!

@jisoo4223 Год назад

Thank you 💕

@ehatipo4598 6 лет назад

You are awesome...

@chrisi-tv1uf 5 месяцев назад

I have no word for you ❤❤❤

@njodzekasharlot8990 2 года назад

Please can you explain the preparations of different organic compounds

@ChronoYGaming 4 года назад

thank you sir

@barkzai2000 4 года назад

Does that lone pair calculation only work when the central atom doesn’t follow the octet rule?

@demiladedanielesho6774 Год назад

Thanks 😮

@narasimharaob4582 3 года назад

Meru thoupuuu sirrr 😃

@Jjjj-ft6rw 2 месяца назад

Thank youuuuuuu

@gokboru551 8 месяцев назад

Wish me luck, first mid-term tomorrow.

@kidistbirhanu9779 5 лет назад

thanks

@malaikabaig4929 4 года назад

THANKS

@gottalent4579 5 лет назад

bro can you apply to be a chem teacher at UIC. we need you

@Killia0316 Год назад

Hi, when I try to get the lone pairs in NO my answer is 3/2, what does this mean?

@bananabird7584 4 года назад

So can an expanded octet create an extra shell if the number of electrons exeed 8?

@ultrasonic7730 4 месяца назад

Does that formula of L.P work for ions just as well as for molecules ?

@jairaphael7099 6 лет назад

Thank you! But, doesn't the last electron on NO2 go to O and not N since O is more electronegative?

@sharinanatasha4453 6 лет назад

yup

@josephtran4891 6 лет назад

I think it's b/c the two Oxygen atoms have already achieved 8 e- based on the octet rules, so N atom can have that last e-. Please correct me if I'm wrong. :D

@rahmabanistany3305 6 лет назад

Always check Ur structure by several ways ,with LP and FC and electronegative best way is to check it by FC(formal charge)!

@s.v.o.579 2 года назад

The moment you have a "system" with exceptions where the only reason is "thats just how it is", your system is wrong and shit.

@limdaoze2976 4 года назад

hi for theast example is a dative bond formed?

@nathanzhao4903 6 лет назад

Can you use that lone pair formula for all lewis structures with one central atom?

@benedictmaddara9248 6 лет назад

you can! I've been using it all the time :)

@iislaymelillyiisharif4988 6 лет назад

But how does it work with ch4 be cause using the lone pair formula you get - 12?

@rahmabanistany3305 6 лет назад

There is always an exception! To get the best structure check it by several ways such as LP and FC and electronegativity!

@latakumari8571 5 лет назад

@@iislaymelillyiisharif4988 watch his previous video in which he explained the formulae he clearly mentioned that THIS FORMULAE DOES NOT WORK FOR COMPOUNDS CONTAINING HYDROGEN

@latakumari8571 5 лет назад

Yaa .. it is applicable for any compound EXCEPT COMPOUND CONTAING HYDROGEN . HE ALREADY MENTIONED THAT IN HIS PREVIOUS VIDEO