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- เผยแพร่เมื่อ 23 พ.ค. 2024
- Ketzbook demonstrates how to draw Lewis diagrams for elements and simple molecules using an easy-to-follow step-by-step explanation with several examples.
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Lewis diagrams (aka Lewis structures, Lewis dot structures, Lewis dot diagrams) are useful because they use simple drawings to show how atoms share valence electrons in molecules, polyatomic ions, and other covalent structures. This is my first tutorial in the series.
Please also see the second video in my Lewis diagram series:
• Lewis Structures Made ...
For simple molecules, follow these 5 steps:
1) count all the valence electrons
2) put the singular atom in the middle
3) draw in single bonds
4) put the remaining electrons in as lone pairs
5) give every atom an octet or duet by turning lone pairs into double or triple bonds as needed
Pocket Chemist: geniuslabgear.com/discount/KE...
Just in case you have seen the Lewis diagram of sulfur trioxide as something different (i.e. three double bonds as shown in Wikipedia or some old books), current theory suggests that the simple Lewis diagram I drew is most correct based on the lack of d-orbital participation in bonding and the calculated charges (sulfur is positive and oxygens are negative as predicted from formal charges).
See:
(1) www.madsci.org/posts/archives/...
(2) Suidan, L., Badenhoop, J. K., Glendening, E. D., & Weinhold, F. (1995). Common Textbook and Teaching Misrepresentations of Lewis Structures. Journal of Chemical Education, 72(7), 583. pubs.acs.org/doi/epdf/10.1021...
(3) A. Reed and P.v.R. Schleyer, Journal of the American Chemical Society 109, 7362-73 (1987), ibid. 112, 1434-45 (1990); E. Magnusson, ibid. 7940-51. pubs.acs.org/doi/10.1021/ja00...
(4) Cunningham, Terence P.; Cooper, David L.; Gerratt, Joseph; Karadakov, Peter B. & Raimondi, Mario (1997). "Chemical bonding in oxofluorides of hypercoordinatesulfur". Journal of the Chemical Society, Faraday Transactions. 93 (13): 2247-2254. doi:10.1039/A700708F. pubs.rsc.org/en/Content/Artic...
(5) pubs.acs.org/doi/full/10.1021...
My goal is to make chemistry easier ;)
ketzbook.com
Donations are greatly appreciated and help make future videos possible:
Venmo: Benjamin Ketz @ketzbook
or Paypal: paypal.me/ketzbook?locale.x=e...
#chemistry #madeeasy #LewisStructures #ketzbook #tutorial #LewisDiagrams
When you learn everything last minute before a test
honestly
Sarah Xiao fr
Going back before ap chem test LOL
test in 20 mins ggs
Sarah Xiao omg right
when your chem teacher doesn’t teach and you turn to youtube videos for help
I felt this bruh 😂😂
lmao true. I just gave up in the middle of the discussion and im like fck it theres youtube 😂
"Why are you not thinking"
A favorite phrase of a former chem teacher (who I had)
yep
@@CyanicCore when I told my teacher that I didn't understand the subject and asked for help
"Well I don't feel like teaching what I've already taught before"
This video: Lewis Diagrams made Easy.
My Chem Teacher: Lewis Diagrams made Hard.
I FELT THAT.
The worst part is my chem teacher is s o great like, as a dude. He’s passionate about what he teaches and you’d think that would make it more interesting, and I guess it does, but it’s really hard to make chemistry interactive. He does his best on that by bringing the class into interactive demonstrations using the students as a way to engage and help understand a little better, but it’s just not enough that the class can feel droning. It’s not like he can condense the work, it’s an hour an ten minute class. Over all I actually love him, easily one of my favorite science teachers, but chemistry teachers gets a bad rap because it’s just so un-engaging.
yes maaannnn
@@christianmccauley7340 so true. Chemistry is so intimidating
You taught this 4.5x times quicker than my teacher but yet I learned more.
Awesome! I love that your speed comparison has two significant figures ;)
Ha! It's because by actively seeking this out, you WANTED to learn this material at this time. Whether out of necessity or desire doesn't matter. In class, were you as active of a participant as you were when you watched this video? Did you give your teacher the same concentration that you gave this video? This video is excellent. But, any chemistry teacher should be able to teach you this.
Agreed
Agreed
Agreed
Who ever made this video needs a raise.
That would be nice
or should run for president, but I guess a raise is fine idea
Yow the man is damn good! I didn’t even know what the lines meant! I love how he explains everything! It all make sense now and I realized I am not crazy.
I can never thank the people who make these types of videos enough, you're literally saving my grades💀💀
you're welcome :)
☠️
Are you a blink ?
He's saving my knowledge.
Samee
This is simultaneously one of the best explained and best produced video tutorials I've ever seen. Thank you so much!
Glad it was helpful!
the way i wasted 7 months of my life in learning a concept of 7 min is ✨immaculate✨
7 months?!? I've heard of people spending 2-3 weeks on this before, but 7 months is a new record ;)
@@ketzbook I wasted 1 week 😂🙌
Now I understand... You're better than my science teacher..
Thanks!
Kaye Ana Li I agree
I can relate
same
omg same
This is my teachers whole day lesson in 7 mins
This is my teacher’s whole week lesson in 7 mins
@@graceee4813 This is my whole month's lesson in 14 minutes (I watched it twice cuz why not)
Tbh he kinda sounds like Dream. Or is it just me
This is my teachers whole lesson day in 1.75 min cause i played it in 1.25 speed
this 7 min vid taught me more then my teacher did in a whole class period
Just imagine retiring as a registered nurse, using all your income/salary to pay rent and tax without any good investment or means of extra cash, tending to leave your profession/job that has been part of you for many years with no good funds. How will you cope?
That's why we need to plan ourselves via making extras in all we do because depending on paycheck that can give us our comfort and peace till we die is not guaranteed
This is actually what most families are going through, tax and rents takes almost what they got monthly, leaving them with no savings
I'm a nurse and I saw all this coming, so l've planned myself so I engaged in forex trading, little I know about the business though but so far so good, Forex trading has been my very means of savings lately while my salary goes for bills and utilities
I've heard a lot complaining about how unsafe crypto and Forex trading is but honestly speaking, if you don't experience you won't know, I've seen the bad and the good part of Forex trading
Investing in stocks and Crypto market is the best financial decision anyone can make but the crypto market is much more better than anything else at the moment
1015 people were unhappy because they only had six electrons
Make that 377 ;)
So they're carbon?
@@AdaamF___5399 It's a joke
@@Miguel-hr5gl 547 now
that's so cute
Bless up. Thank you for this. Got a Chem test in the morning, and I think you might've just saved me. Lol
yo r killin it at rapping
omg i love your songs!!
hi verified person
I just spent 8 hours studying trying to understand how to do this with an unknown element.... this video made it clicked, bless you for this.
Be like Hydrogen,
humble, simple, appreciating the smaller things in life.
he's aware how desiring more would just make him less attractive and unable to form bonds with many others around him. More isn't always better and he sticks to 2 electrons instead.
Be like Hydrogen.
And isnt it strange how we drink hydrogen
I'm kinda sorry for hydrogen :
does that mean I should get 2 girlfriends?
ayo this is so deep
@@endaddy4215 KABDKDBDN
I want to marry this video. It made my understanding from a 0 to a full on 11 (on a scale of 0-10)
Me as well.
You have clearly defined the parameters of your scale between 0-10 by going outside of those boundaries you have rendered the aforementioned scale pathetic and unreliable, some might even say cowardly.
Paris Coroneos we didn’t need you to use the vocabulary of Albert Einstein’s teacher.
@@ComandaKronikk ah yes, but you forgot one key element, and that would be no one gives a shit so sod off
it’s a joke..
I AM NOT EVEN A NATIVE ENGLISH SPEAKER BUT I UNDERSTAND EVERY WORD THAT YOU SAID AND EVERY STEP YOU MADE. THANKS FOR DOING THIS KIND OF VIDEOS. -IM FROM COSTA RICA BTW
You're welcome!
Same lol
Pura vida :)
When you don’t pay attention to class so you come to TH-cam 👁👄👁
Or your instructor is pure chaos and you need a clear concise run through lol
Love this video, I was having the worst time learning it in my 8 hour chem class.... and now I understand! so easy when someone explains in a simple way! Thank YOU!!!
8 HOURS????
@@jovivianed4602I'd kms
45 minutes of trying to understand the textbook... 15 minute video makes it all clear. Thank you for your clarity and visual representation of drawing Lewis Dot Structures.
you're welcome!
👍👍👍👍😹👍
Story of my life. I am happy now
Facts loll
very helpful. thank you. my teacher is new to teaching chemistry and doesnt deliver the information well. this helped me for my test. finally got a higher grade than a F on a test.
Glad I could help :)
Same
i love how polite this guy is
got an E?
saved my life, I took chem in like freshman year and completely blanked on how I was supposed to figure out valence electrons haha tysm
Can i just say, thank you so much for this video and for replying to the comments even after 5 years of the video being released. You're the real one
This video was beyond helpful! I'm a Nursing major and have to take Chem 1151 & we're doing Lewis diagrams in class now. My teacher isn't the best at explaining things... so I was feeling so lost in class today. I searched for other videos and none made any sense. This video has been a lifesaver! I actually have some confidence in Chemistry now. Thank you so much!
you're welcome, and I'm glad you have more confidence now!
Wow this made better sense than Professor Dave. Ketzbook actually took his time to explain it and I actually understood it.
Thanks!
I was really struggling with the Lewis Diagrams, but I think your video helped clear things up for me. Thanks for posting!
I love people who teach with a calm and open hearted voice
449 people were unhappy because they did not have 8 electrons
DRX2PO LMAO
DRX2PO......😁😁😁😁😁👍👍👍👍👍🤟😙
@@rajapalutla4985😄😄😄
You're srsly better than my chemistry professor. He keeps on questioning our poor performance without reflecting within himself. It's a sad life I say.
I missed this lesson; now I have to re-learn it by myself. Thank you for explaining it thoroughly. BRO IS THE GOAT
A touch of a genius makes a whole lot of difference. I was bored to death studying my lecture videos but as soon as I watched your lecture on the topic, I became wide awake and interested. Thank you, sir.
Thank you so much for making this video. The way my professor explained this I was lost and I caught on to yours in the 7 minutes.
Glad to hear that ;)
Nice
Thank you! I am trying to take chemistry online and reading it is very hard to understand. Your videos are clearing things up for me. I truly appreciate it!
This video literally made me understand this lesson in just 7 minutes than being explained in the class for 1 hour. Thank you very much! Currently reviewing for a quarterly exam. Wish me luck!
Best explanation I’ve seen yet. Thank for a simple, quick, and easily understood lesson!
THANKS, you just saved my chem grade.
UGH YOU’RE SUCH AN AMAZING TEACHER. THANK YOU SO MUCH!!!!!!
That was so well explained, I cannot express how I feel about it. Specially wanting to actually learn what I am reading. Thank you.
Thank you so much, through this video I could understand very well this topic! Congratulations, you're a great teacher!!
No words but want to say you have made me satisfied with the topic
I love you so much from the deeper most of my heart! Love you! It’s several hours till the test and I didn’t know how to draw Lewis structure. And I watched your video and understand them in a second
I'm so glad!
I love your pen animation to a perfect font and just overall everything you have going on there, very satisfying
This is really practical, and I love the visuals, the hand drawing part is cool.
You are an excellent teacher 👍 keep up the awesome work, I understand this topic clearly now!!
This was so helpful 😩 😍 I've struggling so much with this since my professor talks as if we already know everything
What a Godsend, this vid was so helpful. Thank you so much, I could never grasp the concept of Lewis structures before this vid, and I’ll need to know them for the rest of the year.
Thanks the video has really helped me get over the difficulty of the lewis diagram thanks keep up.
That's awesome, i am also satisfied with your word 😂😂😂
Love from INDIA
Wow , Indians are everywhere .
@@hamzashaikh6353 are you from pakistan bro ??
@@Homie-world No , I just don't understand what's wrong with you Indians . Whenever you come across such name , you consider the person as a Pakistani .
Anyways , I'm from Turkey .
@@hamzashaikh6353 Actually india and pakistan are estranged sibling so whenever any such name pop ups we envisage it as a pakistani
But any way love from India to you also 😉😍
@@Homie-world Yes RACIST , love from Turkey !! 😊😊😊❤️
My teacher spent two hours explaining this and I didn’t get it. After watching your video I was able to complete my homework in 10 minutes! Thank you so much
i know this was from 7yrs ago and i usually never comment on these but honestly thank you so much, everything makes so much more sense. but really, thank you for adding custom captions, it really helps and i appreciate it. 🙏
glad it helped!
Very good explanation! Thank you!
U cleared all my doubts......Thnx a lot...Keep inspiring..☺️☺️
Hi I am a twelve year and i am learning organic chemistry by myself and this vedio was really good👍👌
Good for you itll really come in handy later
@@autumn1677 Thank you
I absolutely love this channel, you explain everything so clearly. Thank you!
That very last step was a huge help. You made it all so simple for me now. Thanks a million
This video saved my chem grade, thank you you beautiful human being
Thank you for your video, it was the most helpful one that I have found!
My teacher couldn't explain in 3 days of this topic which u did in 7 mins helped so much and relieved my stress so much can't say and it the best video than so many others videos on this topic so properly explained from the basic to complex.
I learned more from this video than I did in 2 weeks of Chem Lectures.... Great Video!!!!!
Thank you so much, I needed this! It actually makes sense now!!
Just in case you have seen the Lewis diagram of sulfur trioxide as something different (i.e. three double bonds as shown in Wikipedia or some old books), current theory suggests that the simple Lewis diagram I drew is most correct based on the lack of d-orbital participation in bonding and the calculated charges (sulfur is positive and oxygens are negative as predicted from formal charges). See:
(1) www.madsci.org/posts/archives/2000-01/949098457.Ch.r.html
(2) Suidan, L., Badenhoop, J. K., Glendening, E. D., & Weinhold, F. (1995). Common Textbook and Teaching Misrepresentations of Lewis Structures. Journal of Chemical Education, 72(7), 583. pubs.acs.org/doi/epdf/10.1021/ed072p583
(3) A. Reed and P.v.R. Schleyer, Journal of the American Chemical Society 109, 7362-73 (1987), ibid. 112, 1434-45 (1990); E. Magnusson, ibid. 7940-51. pubs.acs.org/doi/10.1021/ja00160a022
(4) Cunningham, Terence P.; Cooper, David L.; Gerratt, Joseph; Karadakov, Peter B. & Raimondi, Mario (1997). "Chemical bonding in oxofluorides of hypercoordinatesulfur". Journal of the Chemical Society, Faraday Transactions. 93 (13): 2247-2254. doi:10.1039/A700708F. pubs.rsc.org/en/Content/ArticleLanding/1997/FT/a700708f#!divAbstract
(5) pubs.acs.org/doi/full/10.1021/acs.jchemed.0c00368
Thank you so much.
ketzbook thank you. It was very helpful 👍🏾
ketzbook I
Humaira Tabassum where are you from? Are you Bengali?
ketzbook Hi, thanks for noting this. I tried pausing the video and making the sulfur trioxide lewis dot on my own, and came up with the S 3-bonded, but that would be like giving sulfur 12 electrons, which I guess is possible (it would be an ion). Still a little confused because in my class it was explained that elements like S and O wants 2 bonded and 2 unshared electrons...but this video has been immensely helpful so thank you!!
Cramming the night before a test, but now I finally understand! Thanks for posting, you're a lifesaver
thank you so much for this! i wasted like half an hour to understand this from my textbook, you helped me in 7 minutes.
2:17 our teacher taught us that H doesn't satisfy the octet rule even though it is stable by having 2 electrons. Not just hydrogen, but also Li+ , Be2+ and Helium violate the octet rule bcz they can't have 8 electrons in their valance shell.
Other elements that violate octet rule are transition and post transition elements, which contain more than 8 electrons in their valance shell.
i agree just like in SO3, the lewis structure he just made is wrong... S can violate the Octet rule since it's an exception and can therefore have double bond in each Oxygen
This video saved my life. I had a quiz today and I watched this video last night bc I didn’t understand what was going on and found this really helpful and I got an A on my quiz thanks to this man👏🏽👏🏽
your so lucky ,thank God. Congratulation.
I saw other videos, however, this one is the best one yet! thank you!!!
This was so helpful! You explained it so much simpler than my book and I finally understand it-thanks!
Glad it was helpful!
It was very helpful. I completely understand this and am not even in this class yet. thank you and please keep on making these helpful videos
I agree
glad to help!
When this video is 2 years old but still better than the other ones
Ikr
thank you so much for your understandable explanation , I am literally too happy that I have came over with the lewis diagram
Thank you so much for this video I’m studying an hour before my test and I think you just saved my grade ❤ your the best
As one who also teaches this example in a way that arrives at the same dot structure, I bristle at those who show more than one pi bond at an sp2 hybridized atom. They give no consideration to the unreasonable orbital overlap.
SO3, just like nitrate and carbonate, would have an sp2 hybridized central atom with a single pi bond, as shown.
wow am so sorry
thanks for the info
I'm really liking these Lois diagrams
This was the most helpful video I've ever seen for this topic
i don't understand why people don't teach like this sometimes... i think it would be so much easier for the student and teacher.
Wow thanks 🙏 thank you thank you a million times I had an aha moment where I get it now!
Uggggghhhh. Thank you so much. Been trying to understand this in Chemistry for so long.
you're welcome!
I was experiencing difficulty learning this particular topic but thanks to you I understand it better now
I am 66.,a chemistry PG. Your visual refreshes my knowledge on Lewis Dot theory and rejuvenates me of my youth when I did my Course in 1972. Thank you.
Thank yoouuu I learned a lot😭 we got a test for tomorrow and our chemistry teacher doesn't really teach effectively so I turn to TH-cam tutorials like yours😭💕
you're welcome!
DUDE! THANK YOU SO MUCH FOR THIS!
You are my saviour. I didn't understand a thing of these diagrams. Thanks to you I am now confident in drawing these diagrams
actually helpful! this explanation was easy to understand than i thought it would be! thank you
You’re a life saver! I’m confident I’ll pass my test now
nice!
This was more helpful than the 30 minutes of my teachers complicated lesson
Bestest lecture I ever see on Lewis dot structure and bonding
This was soooooo helpful. I was struggling with this and now I understand. THANK YOU!!!!
This video is very helpful for my students...please share more video like this...
Thank you sir !!
Like valence octet are happy with full octet , I m also happy with it now..😄
Wow!!! this very helpful video, you deserve a gratitude!!!
Brief and clear explanation. I love it
great explanation!
My chemistry never told us this, this is so easy now
Everyone who posted the most liked comments in the comments section is reading my mind!! 1. Last minute test cram 2. Teacher can't teach so I came here. 3. Satisfaction of a simple video that I understand. 4. Paraphrasing of a 2 day rant from my chem teacher into the 15 minute attention span that I have. Please continue to post more videos for us we love you!!
Thanks for the video and explanation ❤👍
great teaching so much more helpful then my chem teacher
Glad I could help :)
7:03 I liked and subscribed at that moment
:)
Good explanation! Happy to see the new video! ☺️❤️✊
Thank you so much sir for such an easy explanation , I tried making a few more structures for practice and they were all right . Thank you once again !