Chemistry: What is a Covalent Bond? - Polar & Nonpolar - Intramolecular Forces
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Covalent bonds are one of the 3 main types of intramolecular forces, along with ionic bonds and metallic bonds. Covalent bonds are the result of atoms sharing their valence electrons. Covalent bonds can be polar or nonpolar, depending on the electronegativities of the atoms involved in the bond.
We show five examples of covalent bonds using Lewis dot structure notation: HF, CO2, H2, H2O and CCl4.
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LESSON CHAPTERS:
0:00 Intramolecular Forces
0:28 Definition of a Covalent Bond
0:42 Example 1: HF (single covalent bond)
1:23 Example 2: CO2 (double covalent bond)
2:09 Nonpolar covalent bonds
2:20 Example 3: H2
2:43 Polar covalent bonds
2:48 Example 4: H2O
3:58 Example 5: CCl4
4:39 Pauling Bond Polarity Scale (Linus Pauling)
5:15 Do covalent bonds break apart in water? (electrolytes)
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Written and Produced by Kimberly Hatch Harrison
About our instructor:
Kimberly Hatch Harrison received degrees in Biology and English Literature from Caltech before working in pharmaceuticals research, developing drugs for autoimmune disorders. She continued her studies in Molecular Biology (focusing on Immunology and Neurobiology) at Princeton University, where she began teaching as a graduate student. Her success in teaching convinced her to leave the glamorous world of biology research and turn to teaching full-time, accepting a position at an exclusive prep school, where she taught biology and chemistry for eight years. Kimberly co-founded Socratica Studios.
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#Chemistry #Covalent #educationalvideo
Пікірлер: 113
Our free online chemistry course will help you level up and learn more: www.socratica.com/courses/chemistry
Really cool! i understood this way faster than my book's boring images, thank you
@Socratica
8 жыл бұрын
+Fan of a Fan That's great to hear! Thank you for watching! :)
this is an incredibly relaxing style of teaching!! thank u, it helped lessen my stress for my chem test in a couple days. i definitely had a few ‘OHHHHH’ moments in this lmao
who else has a test tomorrow?
@Socratica
4 жыл бұрын
Good luck!! 💜🦉
@qricke2841
4 жыл бұрын
@@Socratica thank you
@lulee629
4 жыл бұрын
Qricke in 2days
@aymenrush6541
4 жыл бұрын
Qricke me
@manthanc7727
4 жыл бұрын
Me!
A clear and simple presentation. Very useful for lay people and beginners. Thanks!
You are a life saver, thank you so very much for making this incredible video for dummies like me who cant even do algebra 1, and chemistry is another thing! I watched about a hundred videos trying to understand this type of chemistry topic.
@Socratica
7 жыл бұрын
Jasmine, you are no dummy! You are working hard to understand a tough subject!! We're so glad you are learning chemistry with us. Thank you for writing and letting us know! Good luck with your studies!! :)
@Ms.MD7
6 жыл бұрын
I feel u girl, same here.
This is helpful. thank you Alexa!
Really good video. Thanks!
Ur method of teaching is too good.its helps me lot.thank u so much.😊😊
very helpful keep it up
Your video is very interesting and I understand the lesson quickly . thx you so much.❤❤
Thank youu sm, now I understand ❤️
Thanks for the explanation
This was really helpful I was really confused on the worksheet which explained this topic. Thank you very much!!!!
@Socratica
3 жыл бұрын
We're so glad we could help! 💜🦉
Thank u so much
Very good video!
Thanks for sharing science and knowledge.
@Socratica
9 жыл бұрын
Thank you for watching, Massinissa TINOUCHE!
Thank you for this very informative video. My science teacher only very briefly went over this topic then assigned us a big project over it. I was freaking out until I found this video so thank you very much you are a lifesaver.
@Socratica
6 жыл бұрын
We're so glad you found our video helpful!! Good luck on your project!! :D
Thank you so much.
amazing
thank you so much
Thank you your vedio is very helpful for us, we are clearly understand the topic THANK YOU VERY MUCH 😊
thank u very much!!!
Thank you!
Thank you so much❤
nice video it helped a lot thank you and keep going on
@Socratica
7 жыл бұрын
We're so glad we could help! We're definitely going to keep making more videos. Thanks for watching! :)
lovely vid!
Beautiful.
you solved my doubt related to covalent bonding, THANK YEW :)
You actually solved my doubt which I was having in the polar and non polar bonds. Thanks a lot.
So in other words, in a covalent bond, the element with the higher electronegativity has the stronger pull on the shared electrons. I was wondering how you are suppose to work out the shape of some of these molecules. I know its to do with bonding angles but that about I all I know. nice video btw, you don't go too fast like the majority of chemistry youtuber. clearly set out and once again well explained
@Socratica
9 жыл бұрын
Thanks so much for watching, and your interesting comment, David Binnekamp ! We'll definitely need to do a video about bond angles - great idea! The general principle is referred to as VSEPR (valence shell electron pair repulsion) theory - if there are lone pairs of electrons, that pushes the bonding electrons away from the lone pair electron cloud, making for a more dramatically bent set of bond angles than if there are no lone pairs of electrons around.
@davidb573
9 жыл бұрын
Socratica ah I see, thats made it clear. thnx for that :)
theres a special place in heaven for you guys THANKS
@Socratica
8 жыл бұрын
+Dea G You are so kind, thank you! :)
@chouhanjairam3821
6 жыл бұрын
Wow profile pic
I was wandering here and there for so many days in search of this........ You explained it exceptionally well.
@Socratica
7 жыл бұрын
We're so glad to hear our video was helpful! We're so glad you've found us! :)
Nice contenet.
Thank you so much! Now I will get this on my final👍🏻
@Socratica
4 жыл бұрын
Good Luck!! 💜🦉
Thanks u
I think you just saved my life. Praise🙏
great ...
superb and amazing channel on youtube....like it
@Socratica
8 жыл бұрын
+luna leroona Thank you for your kind comment! You made our day!! :)
We reviewed this in Mrs. Valancy 's class and then again in my nursing class
Nice
it was really of great help!!! ... from different sources i came to know that... EN value bond 0.0-0.5 non-polar 0.5-1.7 polar >2 ¡onic
@HayDayEveryday
3 жыл бұрын
But nobody has a mind big enough to memorize the valued of E.Ns of all elements lol
Very good explanation
@Socratica
6 жыл бұрын
We're so glad you found our video helpful! Thanks for watching! :D
@nandhinipuppy4357
6 жыл бұрын
I am glad to see it replay.
thank you, you save my future
@Socratica
7 жыл бұрын
Hello Badar, thank you for visiting! We're so glad we could help. :)
Wow, that's some talented teacher, right there. You made everything sound so easy, that I actually wonder whether I got it right or I imagine things. And I'm not even English native speaker! I'm really, really grateful💚🐢
What is multiple bond formation in carbon
Does the polar molecule of water cause the build up of static charge as it falls through air?
I still don't see a difference between ionic and covalent bonds. For example in NaCl, can't the bond be considered a "sharing" of sodium's extra valence electron?
ah thank you so much XD
@Socratica
8 жыл бұрын
+Linh Nguyen We're so glad you enjoyed it! Thank you for watching! :)
Anyone know the music in this? please? Every possible piece of information you can imagine is in the description box , except the awesome classical music - typical youtube
👍👍👍
hi from Oman
👏👏👏
i thought that the main goal of the covalent bond is to have an octet rule stability for both elements. i am quite confused.
@Socratica
7 жыл бұрын
Hi Joyce! Could you tell us a little more? Are you confused about hydrogen being in covalent bonds? Because H cannot form an octet. Rather it adopts the configuration of its nearest Noble Gas, He, when it has 2 shared electrons. The octet rule refers to how atoms adopt the very stable valence electron state of the nearest Noble Gas - so for most atoms that will be 8 electrons.
@joycenael
7 жыл бұрын
yeah. after having many videos I get it, the covalent bond is the bond that exists between two nonmetal elements. It would be a nonpolar covalent bond if it has the same element and the difference of their electronegativity is not greater than or equal to 0.5/0.4. the reverse of its idea is the polar covalent bond
@Socratica
7 жыл бұрын
Glad to hear it, Joyce! Sounds like you are working hard. :)
@joycenael
7 жыл бұрын
:) thanks also for your video. it help me a lot
@Socratica
7 жыл бұрын
You are so welcome! We are glad you have found us! :)
My teacher makes VERY different distinctions than you do... I am extremely confused. Last night in class he told us that there are 3 types of covalent bonds- pure, polar, and non-polar. Pure is for same elements, generally diatomic like H2, and have the same electronegativity (EN). I don't understand what "different EN" means, because they ALL have different ENs! In your video you say that H2O is a polar bond because they have the same EN... how?? In my book, H has an EN of 2.2 and O has an EN of 3.4. How is this "the same"? Then when you go into non-polar it's pretty much the exact same thing... I don''t understand, what is the difference between polar and non-polar? And doesn't "polar" infer that the compound should have a net charge due to ionic imbalance? He also has us into Lewis dot structures... we won't be expected to draw them, just tell if they are balanced/correct or not, and whether they are ionic or molecular (I can determine that much), and if molecular, whether they are pure, polar, or non-polar. So I need a video that clearly explains those particular things.
why do orbitals need to be full?
@Socratica
7 жыл бұрын
Another good question from Curt!! A lot of chemistry is observational, meaning - chemists have made up rules based on what they have observed in nature. They have found that atoms have lower energy and are more stable (less reactive) when they have a full orbital of electrons. Thanks for your question!
@YJWoadWarrior
7 жыл бұрын
Thanks for the answer! What about sub orbitals are they unstable if not filled?
I am in 7 th class . I also have test tomorrow
i am confused about hcl acid and hydrgenchloride gas....cuz hcl acid has ionic bond ...and hydrogenchloride has covalent bond
@Socratica
7 жыл бұрын
Thanks for your question! HCl is called hydrogen chloride and hydrochloric acid - same thing. A lot of people are confused by this idea because HCl readily breaks into H+ and Cl- in water. That's because it's an electrolyte. The bond joining H and Cl is a covalent bond, however. They are sharing their electrons until they come apart in water. Think of this as being different from H+ ions being attracted to Cl- ions via electrostatic attraction (that's what happens in an ionic bond, like in the case of NaCl). Here's our video about ionic bonds: bit.ly/2cdfPxv And here's a video comparing ionic bonds and covalent bonds: bit.ly/2cUG6C8 Thanks for watching! :)
@sunbinsamin5588
7 жыл бұрын
Thanks
I like you
Imma dumbass but I really learned a lot from this video. Gotta test tmrw 🥶
i really love the vintage theme
@arsildarouiche892
5 жыл бұрын
lmfao this seems more ancient than vintage; vintage would refer to like the 40's or something not ancient Greece😂
when will the pain end
😎
Just to clarify this does not work with people and healthy relationships
Группа 2/1 на месте?
am still so confused
الي كان شارد و متوهق لايك
Quien me manda a tener quimica en inglés lpm
Who has test coming up?😂
Who else has a test today
@Socratica
4 жыл бұрын
Good luck!! 💜🦉
Good luck😂
So hot.
@Daniel-jn8ew
3 жыл бұрын
Bro?
Just do freaking gaming or you will never get views and subs