Drawing Skeletal Structures or Bond-Line Notations of Organic Molecules (Organic Chemistry Basics)

[@daricnd]

I believe that certain teachers have forgotten how to teach... Thank you for being one of the great ones and for helping us consistently! You are appreciated!

[@nicksimon4536]

daric nd agreed. some go too fast

[@Leah4sci]

You're so welcome, and thanks for your kind words!

[@soniclover4ever1]

I literally thought of quitting my organic chemistry class within two classes of it. My professor is a bit unorganized, so this was a life saver for me. Subscribed, liked, commented, and now I will check every video you have for help. THANK YOU.

[@Leah4sci]

Oh wow, I'm sorry you had a rough time in orgo, but I'm happy to know I was able to help you through it!

[@Shemzinho]

I never understood the whole number of hydrogen's in a skeletal formula idea, but now I get it. Thank you so much

[@Leah4sci]

You're very welcome!

[@richardheyward3791]

OMG Ms. Leah, My Chem exam is to tomorrow at 9am ..Im am so blessed that I , some how, found your tutorial videos. Now I completely understand. Now I feel more at ease about the exam. This is a Chem/ online coarse too. YES!!!!!

[@richardheyward3791]

Hi there, because of your tutorial, I passed with flying colors. I struggled with skeletal structures for some reason. Thanks so much.

[@Leah4sci]

Wow that's fantastic to hear! So happy I could help!

[@yvette6067]

you really helped me understand a lot of details I was frustrated with, my first week of organic chem has been a nightmare for me...reading the book for 5 hrs straight, trying to understand...then going to class realizing I still didn't get it. I wanted to cry. but this helped me learned the basics so now other things will make more sense to me. Thank you Leah.

[@Leah4sci]

Oh no, I'm sorry orgo was so rough for you, but I'm glad to hear that I was able to help it make sense for you!

[@britszabo]

Wow! This clears up a lot of saved me the headache of trying to understand my textbook. I'll definitely refer back to your channel as I continue through chemistry!

[@Leah4sci]

Awesome, so glad I was able to help!

[@Kikahs14]

I've read the book, done the homework on my 3rd chem. class and i think i LEARNED more in one of your 5 minute videos than i have in a class.. Thanks!

[@Leah4sci]

Yay, so glad I could help!

[@HurricaneQueen777]

Thank you Leah again for your time on this stuff..I have a few years in between doing general chem and then starting this Organic chem. I feel like professor teaches nothing, so this is the best way for me to learn.

[@Leah4sci]

I'm sorry you had a bad experience with your teacher, but I'm glad I could help fill in those gaps.

[@halachandrakalloli365]

Hi Leah, people like you make this world a beautiful place to live. Thank you.

[@Leah4sci]

Wow, thanks so much!

[@TheycallmeeT]

Currently taking Biochem without any O-Chem background. Khan Academy was helpful, but your video answered all of the questions that it left me with, and you may have saved my semester (and hours of googling). Thank you, you're a rockstar!

[@Leah4sci]

You are so very welcome, glad to help!

[@RangerOfTheEast00]

this is so helpful. I was feeling nervous as in lecture i was completely lost but thanks to your explanation it makes so much sense. I have learned new trait today which is Analyzing rather than memorizing. thank you so much

[@Leah4sci]

I'm so glad to help you through your class and that you learned to understand, not just memorize!

[@argonry]

my biology course requires me to take ochem classes and my prof is a mess. i cant understand what his saying most of the time and his pen craft is also a mess. THANK YOU!! you save me having to read books at the library again.

[@Leah4sci]

I'm sorry to hear that you don't have a good professor for this course, but I'm happy to know that my videos are helping you so that you can still get through this class

[@kaliwaaljanaan]

Starting A - Levels in september,your videos really make it easier to understand the concepts of chemistry... thank you :)

[@Leah4sci]

So happy to help!

[@gaelic2emerald]

I was so incredibly confused and you explained it so amazingly well!!!! Thank you for these videos. Amazing help!

[@Leah4sci]

You're so very welcome, happy to share!

[@portodeliberte2]

Leah! You are awesome! You have made this concept very clear!

[@Leah4sci]

You're very welcome, so happy I could clear it up!

[@dhammyblessing1975]

Thanks for your help...I never really understood this concept well until i listened to your video.

[@Leah4sci]

You're welcome, glad it cleared things up for you!

[@sohoyankee66]

Oh wow, I'm glad I found this page. I've been sick and missed my chemistry class. This video has really helped me catch up on what I've missed. Thank you so much.

[@Leah4sci]

So glad I was able to help you fill the gaps after your illness!

[@beatrizlourenco764]

So grateful! You make the Organic Chemistry look so much easier! thank you so much

[@Leah4sci]

Glad the videos helped you understand Organic Chemistry better! You are very much welcome!

[@williejohnson4693]

PRETTY DARN GOOD!!! Just starting organic your videos are keeping me on top of my game. Great job.

[@Leah4sci]

So happy to help you!

[@edmondmariga819]

thank you Leah, the video is really helpful...you enlightened me on what i couldnt understand before..thanks!!!!!!!!!!!!!!!!

[@Leah4sci]

I'm so glad to hear that!!! Happy I could help!

[@thegawjus22]

thank you so so much! you honestly teach way better than both of my chem teachers combined

[@Leah4sci]

You're so very welcome!

[@sanandreasshole]

Thanks for the good tutorial, helped someone who is in a biology class with little background in chemistry.

[@Leah4sci]

Yay, so glad I could help!

[@XjoyceybearX]

omg. i might pass o chem...so happy i found this youtube channel. great job :D

[@Leah4sci]

Happy to help!

[@RandomnessPersonifed]

Thank you for being plain and simple.

[@Leah4sci]

You're very welcome

[@OcularAMVs]

So helpful! Just a couple questions: how did you know to add a lone pair to the N at 12:12? Also how did you know to make those double bonds at 12:41?

[@Leah4sci]

This video is more about the skeletal aspect of the structure. Your questions are covered in my intro to orgo series: leah4sci.com/introorgo

[@editaalily9125]

Oh wow i definetly appreciate what your doing. This made things a whole lot easier for me!! Excellente

[@Leah4sci]

Happy to make it easier for you!

[@jameskim3816]

I have test in 2 days and I didn't even get a single thing. When I found video, i was amazed and it was so easy to understand. You're a GOD!!! Thanks heaps!!!

[@TheNzSouljah]

Bro we wouldnt happen to be in the same lab class? lol.

[@jameskim3816]

***** yes, just started haha ImmuneBrah i think we are. massey chem? Lol

[@TheNzSouljah]

James Kim Hahaha yeah Massey Uni. See you at the test tonight bro.

[@TheNzSouljah]

***** Naming functional groups. Molecular bonding. Locating Electrons. Inter molecular forces and analysing chemical reactions i think? not too sure..

[@Leah4sci]

Awesome, so happy to help!!!

[@sarahedstrom85]

Thank you! Just made this easy and I learned some things I didn't realize I didn't know. Great video.

[@Leah4sci]

You're so welcome, glad to teach what you needed and more!

[@1malakian]

Thank you so much, I will be checking your videos out this entire semester for sure!

[@Leah4sci]

You're so welcome!

[@elizabethwilson4540]

This video was very helpful !! Can you please post a video about chiral and fisher projections? Also about ring flip and chair conformation (chair, half-chair, and boat). This is what I am studying in orgo class now! Thanks a lot!!

[@Leah4sci]

You're welcome! You can use leah4sci.com/syllabus to match up my resources with what you're studying.

[@kamalekermawi]

Leah, I never thought I'll say this to anyone but.. I LOVE YOU!

[@Leah4sci]

lol, thanks so much!

[@DogeFrom2014]

This video literally answers EVERY question I had about chemistry!!! Thank you!!!!

[@DogeFrom2014]

***** I take grade 11 chem and bio but we haven't learned this yet, I'm just very curious about it.

[@DogeFrom2014]

***** Probably, I refer more to it as Biochemistry.

[@Leah4sci]

Awesome, so happy to help!

[@lepsu0176]

Thank you for breaking this down. I understand it much better now...

[@Leah4sci]

I'm glad I could help!

[@sandyman4090]

You DO!!! Unfortunately, I am a broke student and could never afford your prices, but from your videos, you would be worth every penny!!!

[@Leah4sci]

Thanks so much, I appreciate that!

[@simontutorials29]

Amazing! My teacher wasn't so good at explaining this but you sure were!

[@Leah4sci]

So happy to help!

[@umar11ism]

Our A level teachers are forced to teach like in a manner that is best suited to just getting kids to pass the exam. Syllabus is to large. They just got time to teach the method and the reasons. Processing the reason, no hope their. So when I get this level of patient teaching, I gotta thank you and ask you to keep up the great work.

[@Leah4sci]

You are so very welcome, I'm happy to help provide the additional support!

[@ishikasinha3954]

The video is just awesome I have searched for so many videos but this I founded the best of the best to clear my doubts thank u so much and I hope u will solve my questions in future lovely skill of explanation

[@Leah4sci]

You're very welcome, so happy I could help. And thanks for your kind words!

[@sweetintelligent12]

I just started organic chem and began to get confused on the drawing of line structures. Your video has cleared up some of the problems I was having. Thank you.

[@Leah4sci]

So happy to fill those gaps and clear it up for you!

[@TheAnamZee]

This video was very helpful! Cleared out any tiny doubts I had! Thank you!

[@Leah4sci]

So glad to hear that and yay for clearing up your doubts!

[@lmeflash]

This is so helpful I will continue to go to your channel for extra help and practice. Hopefully it will help me get a decent grade in orgo. I'm definitely subscribing!!

[@Leah4sci]

So happy to help and thanks for subscribing!

[@kttykt1131]

Omg this just completely made it easy for me to understand this. Thank you!

[@Leah4sci]

YAY, so happy to help you understand!

[@00metta00]

While there were a few errors, it was still a very good and informative video, and it really refreshed my memory for drawing skeletal structures. Thank you 😊

[@Leah4sci]

You're welcome. What are the errors you are referring to? (Timestamp please). Thanks!

[@weirdestweird3369]

thank you very much finally now i know how do i work from lewis structure to skeletal formula❤

[@Leah4sci]

Glad I could help!

[@akashmehta3443]

you r the best. I have no words, how much u made that stuff so easy...

[@Leah4sci]

Yay, I'm so happy to have helped you!

[@themaryanw]

Loved this video made me understand it so well in just a few minutes thank you!

[@Leah4sci]

You're so very welcome!

[@danjuric622]

I don't know much about chemistry or how to even word this question properly but I always wondered how you number each position and if it's a different structure why numbering changes direction. Like your cyclohexane example, why does the "1" go at the top left. I don't even expect a reply cuz I understand if there's a nitrogen in it or certain functional groups that might change direction I don't know enough I acknowledge some of it but I don't expect the detailed response. Maybe a taste would help?

[@Leah4sci]

I'm sorry, but I don't offer tutoring through KZbin comments. For help with this and more, I recommend joining the organic chemistry study hall. Full details: leah4sci.com/join

[@arbaaa_marketing]

thank you so much very clear as always

[@Leah4sci]

You're so very welcome!

[@amaasare7387]

Very clear explanations! Thank so much!!

[@Leah4sci]

You're so very welcome!

[@LalalusciousMacy18]

This was SO helpful. Thank you!

[@Leah4sci]

You're very welcome, happy to help!

[@riwanhafez2001]

Best explanation ever... really thankyou very much!

[@Leah4sci]

Glad you enjoyed it!

[@habensieliebe]

You are amazing! Thank you thank you ! I would have thumbs up this video twice if possible.

[@Leah4sci]

Thanks so much and you are so welcome!

[@sharanjeetsingh4455]

from 2 years m just trying to under stand the structures but m fail to do so but this video help me a lot m so happy but you made it interesting easy to grasp thaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaannnnnnnnnnnnxxxxxxxxxxxxxxxxxxxxx

[@Leah4sci]

Awesome, so happy to help!

[@alexlu2]

Nice!! My teacher couldn't explain properly and half my class couldn't understand what was going on!!

[@Leah4sci]

I'm glad I could help clear up some confusion!

[@qqupevaj]

maan i've been looking for this for so long, thank you

[@Leah4sci]

You're very welcome!

[@puteriasmady8329]

thank you so much for this video God bless you!!!!!

[@Leah4sci]

You're welcome! :)

[@tani_flores___]

Thank you so so much! You are fantastic!!! You have helped me so much!

[@Leah4sci]

You're so welcome, glad I could help!

[@hajerr3943]

Dude your AWESOME!

[@Leah4sci]

Thanks!

[@AnysNadhilah]

its helped ..thank you so much . subscribed .

[@Leah4sci]

So glad I could help!

[@shahidahaquelabiba7772]

Leah u saved my life. Thank u so much. :D

[@Leah4sci]

You're very welcome!

[@jking9254]

Thanks Leah! This is perfect

[@Leah4sci]

You're so very welcome!

[@143cupcakes92]

this is a great video!!!! So happy I found your channel, I might actually pass Organic now!!!! lol YAY!

[@Leah4sci]

WOOHOO! Glad I could help!

[@karthikvs9188]

nice explanation,better than our teacher....thank you

[@Leah4sci]

You're so welcome!

[@Ailemacc]

This helped wayyyy too much :D thank you!!

[@Leah4sci]

I'm so glad to hear that, happy to help!

[@Cornbreadddd]

Hey Leah, I have a quick simple question on the diagram of Butanoic Acid. On the 3rd carbon, which is a CH3, in the line drawing I'm only seeing 2 Hydrogens and not three on that carbon. Where have I gone wrong? I'm seeing a carbon met with only two bonds, so I have the thought process that would mean there would be 2 hydrogens instead of 3. Where am I going wrong?

[@Leah4sci]

Butanoic acid only has one carbon with 3 H atoms, the terminal carbon #4. Carbon #3 is internal and if you count (4-bonds = H) you'll see that you have 4 minus the 2 carbon bonds for a total of 2 hydrogen atoms

[@ismaelsoum6401]

your explanation was the best.

[@Leah4sci]

Glad you liked it!

[@user-tu8ti6sr1r]

omg I came across your channel by mistake- what a FANTASTIC mistake that was! your video just summed up 4 weeks worth of pointless lessons in 1 video! PLEASE keep it up thanks so much!!!

[@Leah4sci]

yay! So glad for that happy mistake!

[@Avarrocka]

I'm not even at this unit yet :D I'll be ahead of the class by a landslide thanks to you XD -Thanks

[@Leah4sci]

Awesome!!! That's the way to do it

[@user-dr6bt9ks4p]

Good easy to grasp explanation! Thanks :)

[@Leah4sci]

You're welcome!

[@wannabe771]

That's what I figured, just wanted to double check. Thank you!! Awesome video by the way. :-)

[@Leah4sci]

You're so welcome!

[@xitlalipatlan1267]

this was a great explanation! thanks!

[@Leah4sci]

You're very welcome!

[@muhammadrandhawa507]

thanks for this leah. I really appreciate it.

[@Leah4sci]

You're welcome!

[@markhanna5161]

Hey Leah, are you sure butanoic acid is CH3CH(CH3)CH3*CO2H? The CH3 group before the CO2H would have five bonds here, 3 with H and 2 with the other C atoms. Based off what you're saying it should be CH3CH(CH3)CH2*CO2H... or is there an exception?

[@Leah4sci]

at which point in the video? Butanotic acid would be CH3(CH2)2CO2H or CH3CH2CH2CO2H

[@urvashisumoondur]

Thank you soo much!!I always had problems with this till now!! :))

[@Leah4sci]

You're so welcome!

[@gurpreetsuman5060]

You are way better than chinese prof we have at our university.. :) :)

[@Leah4sci]

Aww thanks!

[@hashim22266]

thank u ...you will b rewarded here after

[@Leah4sci]

You are so welcome!

[@roxiee13]

Superb! Thanks Leah!!

[@Leah4sci]

You're very welcome!

[@frankronalds1858]

this was very helpful , thank you very much leah.

[@frankronalds1858]

***** yea

[@Leah4sci]

You're so very welcome, happy to help!

[@scharolia786]

You're amazing, this was extremely helpful. Thank you so much!

[@Leah4sci]

You are very welcome, happy to help!

[@sitimaisarah1164]

thank you very much. big thumbs up for you :)

[@Leah4sci]

You're welcome! :)

[@acast5.14]

Perfect! thank you!

[@Leah4sci]

You're so very welcome!

[@ScatterrBrained]

thank you thank you thank you! :D like iamfromkurramagency, I'm starting a level chemistry in september too so this really helped with my holiday homework! :D

[@Leah4sci]

You're so very welcome! glad I was able to help

[@brettamund04]

You are a great teacher

[@Leah4sci]

Thank you!

[@tanmayroy6385]

Thanks mam for this awesome tutorial video.It has really helped me a lot.

[@Leah4sci]

You're welcome, I'm so happy I could help!

[@thomasjoseph1545]

very useful . Thank you

[@Leah4sci]

You're welcome, happy to help!

[@kirbstar69]

That video was great, just wondering if the molecule drawn at 7:33 would be 2,3-methyl-propane?

[@Leah4sci]

Don't forget to put 'di' when you have more than 1 of a substituent

[@user-lc9bz7db6f]

That helped me in AS biology

[@Leah4sci]

Glad to hear it helped!

[@tajos703]

Totally awesome! Thank you!!

[@Leah4sci]

You are very welcome!

[@Morkindie]

Thank you. This was very helpful.

[@Leah4sci]

happy to help!

[@simplesim17]

THANK YOU SO MUCH LEAH

[@Leah4sci]

You're very welcome, happy to help!

[@jasandiprana]

Amazingly Helpful!!

[@Leah4sci]

Glad to hear it!

[@joshuatalon1257]

Thank you! Hands up. I now understand ☺☺☺

[@Leah4sci]

You're welcome!

[@GirnarAnand]

highly informative with great explanation

[@Leah4sci]

Glad you liked it!

[@sweetangelTien]

this was great ! thankyou so much !

[@Leah4sci]

You're very welcome!

[@mocapuccinos]

This is so great thank you!

[@Leah4sci]

You're very welcome!

[@sheraeYAH]

That was by far one of the best explanations I've ever had. I've managed to make it all the way to Organic, but after watching this, I really just don't know how! LoL!!!

[@Leah4sci]

Wow, thanks for your kind words, I appreciate it. And I'm so glad I could help!

[@DOL3rd]

You saved me. I love you.

[@Leah4sci]

So glad I could help!

[@yonipool8683]

very helpful but your number of hydrogen for the butanoic acid example is not the same, 12:40. 11 and 10 are the two numbers of Hydrogen that i was able to count?

[@Leah4sci]

Oh wow, thanks for pointing this out, I have a mistake in the drawing. The right-most carbon before the carboxy should be a CH2

[@umrnaveed]

Thankyou for this. has helped me ALOT. THANKYOUUUUUU!!

[@Leah4sci]

You are SO very welcome!

[@jbosoccer14]

very well done....so much help

[@Leah4sci]

Happy to help!

[@prajvalkatwe3709]

Hey, in butanoic acid at 12:41 why didnt you draw the line downwards,why did you draw a line upwards.

[@Leah4sci]

Atoms can rotate around their bonds giving you molecules that care constantly twisting and turning. So long as they are properly connected, the drawings can be represented in many different directions