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Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22 

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Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The nature of the bond between atoms is related to the distance between them and, like people, it also depends on how positive or negative they are. Unlike human relationships, we can analyze exactly what makes chemical relationships work, and that's what this episode is all about.
If you are paying attention, you will learn that chemical bonds form in order to minimize the energy difference between two atoms or ions; that those chemical bonds may be covalent if atoms share electrons, and that covalent bonds can share those electrons evenly or unevenly; that bonds can also be ionic if the electrons are transferred instead of shared: and how to calculate the energy transferred in an ionic bond using Coulomb's Law.
Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: apple.co/3d4eyZo
Download it here for Android Devices: bit.ly/2SrDulJ
--
Table of Contents
Bonds Minimize Energy 01:38
Covalent Bonds 03:18
Ionic Bonds 05:37
Coulomb's Law 05:51
Crash Course is on Patreon! You can support us directly by signing up at / crashcourse
Want to find Crash Course elsewhere on the internet?
Facebook - / youtubecrashcourse
Twitter - / thecrashcourse
Instagram - / thecrashcourse
CC Kids: / crashcoursekids

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31 май 2024

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Комментарии : 1,5 тыс.   
@crashcourse
@crashcourse 4 года назад
Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: apple.co/3d4eyZo Download it here for Android Devices: bit.ly/2SrDulJ
@semuyewelookonjoo3617
@semuyewelookonjoo3617 4 года назад
Sitrtu
@generic_flower
@generic_flower 8 лет назад
Ive decided to take AP Chem. I've signed up for death. I've decided to take AP Comp Sci at the same time. I've signed up for a very painful death
@ricb.7067
@ricb.7067 5 лет назад
I will pray for you😢😂
@daiyaanhasan2235
@daiyaanhasan2235 5 лет назад
Which uni?
@erictm8144
@erictm8144 5 лет назад
Actually doing the same thing this year, watching this whole series the day before the mock exam for Chemistry, already took my Comp Sci mock exam and got a 4 so I'm hoping I can get a 3 or 4 on this one
@Wooktent
@Wooktent 5 лет назад
I'm gonna bomb this AP Chem exam tomorrow. Hope you are doing well, 2-years-older version of you.
@ultraviolet6989
@ultraviolet6989 5 лет назад
😂
@EnderAnimals4
@EnderAnimals4 4 года назад
everyone else: "he talks to fast" me, speed studying: *watching on 1.75 speed, with CC, losing my mind but its working*
@KasraChehrazi
@KasraChehrazi 8 лет назад
Everyone please stop saying talk slower... it is called crash course it is supposed to go fast, if you want it to be slow click the gear icon then hit speed and press .5, not .25. (WARNING: He will sound drunk.)
@KasraChehrazi
@KasraChehrazi 8 лет назад
That's what I should've said XD
@alinarodriguez9395
@alinarodriguez9395 8 лет назад
+Kasra Chehrazi lol he does
@sophiemiller5195
@sophiemiller5195 8 лет назад
+Kasra Chehrazi hahahaha I needed this
@Oddpistachio1
@Oddpistachio1 8 лет назад
+Kasra Chehrazi It's more fun to listen to it slowed down anyway, because of this reason. haha
@Oddpistachio1
@Oddpistachio1 8 лет назад
+Kasra Chehrazi Try listening to it on the 2 speed.
@cassandratodd6732
@cassandratodd6732 8 лет назад
I have finals tomorrow, so I'm watching as many as I can I'm still screwed
@H4nn4hL
@H4nn4hL 8 лет назад
Me too.. *loud sobbing*
@evarazia9714
@evarazia9714 7 лет назад
Same here😢
@ayem4542
@ayem4542 7 лет назад
did your results come out yet?
@912sonic
@912sonic 7 лет назад
Did ya pass ya goof?
@cassandratodd6732
@cassandratodd6732 7 лет назад
912sonic I got at least a C
@Madirlblue
@Madirlblue 8 лет назад
Other people are complaining that you talk to fast in comments but I personally am incredibly grateful- there are so many ancient professors this website and in my lectures droning on for hours on these subjects. Thank you. The way you structure things keeps me entertained and safe from failing midterms
@rox8516
@rox8516 6 лет назад
Madirlblue i
@dominoscustomersupport4373
@dominoscustomersupport4373 5 лет назад
That's so true!!! I love that he talks fast because this way he can teach tons of lessons of info into a maximum of 10-15 minutes. Way better than sitting through hours of college courses and weeks of school.
@isabelbourke851
@isabelbourke851 5 лет назад
Am I the only one who loves watching on x2 speed 😆
@zetlaux
@zetlaux 7 лет назад
To those saying he is too fast: some people actually think and operate at that rhythm, and finding something that delivers at their is a rare find. You can always hit replay and watch it again. Plus, the amount of chemistry he covers in under 10 minutes is super impressive. This should feel intense. This is weeks or months of college in a few minutes.
@zetlaux
@zetlaux 7 лет назад
*that delivers at their pace
@3rkid
@3rkid 4 года назад
At 0:13 they had Bert get married to Ernie on June 26th which is funny since that's the day in 2015 that the Supreme Court legalized same-sex marriage in the US but this video animated years before.
@esmeraldagonzalez3795
@esmeraldagonzalez3795 9 лет назад
When hank said "atoms are a lot like us" I thought "atoms are us"
@lindseymiller8805
@lindseymiller8805 8 лет назад
+Esmeralda Gonzalez because we are toys! :) ...Oh I guess sometimes advertising still works better than education.
@jorgepadua5802
@jorgepadua5802 8 лет назад
+Esmeralda Gonzalez We are atoms.
@ismailmajed5555
@ismailmajed5555 8 лет назад
+Esmeralda Gonzalez He meant act like us but you got a point
@skategarbage
@skategarbage 8 лет назад
+Esmeralda Gonzalez This is the way I see it: atoms can exist without us, we can not exist without atoms... so we are atoms but atoms aren't us. He meant that atoms behave like us.
@ismailmajed5555
@ismailmajed5555 8 лет назад
How will we live if the universe is not made up of atom
@Tionaintown876
@Tionaintown876 10 лет назад
I'm here because I didn't pay attention in chemistry class. And my exam is tomorrow.
@themagnoliainnbedbreakfast6418
Me too I'm trying to cram everything in my head for now
@thepersonnooneknows
@thepersonnooneknows 5 лет назад
How'd it go (I'm so late but still)
@blakebauman6374
@blakebauman6374 4 года назад
@@thepersonnooneknows Hey, your name. Tell me about yourself so I can get to know you. Apparently no one knows you, and that would suck (for many people at least). My name is Blake, I like pretty much every field of science, synthwave music, exploring nature, philosophy, working out: what about yourself?
@wgb920
@wgb920 4 года назад
i would give you a like but u r at 100 and i dont want to be the one to break it:)
@MikaThakkar
@MikaThakkar 10 лет назад
This is how I study...
@ryanoconnor8381
@ryanoconnor8381 5 лет назад
I just got a 100% on my chem test because of this. Thank you so much!
@aryanshrivastava8312
@aryanshrivastava8312 4 года назад
From India? Cause it is pretty rare
@venerablexcutioner1113
@venerablexcutioner1113 4 года назад
Did it work because I plan on using this method when I resume.... (My Dad made me study)😢😢😢😢😢
@winny6167
@winny6167 4 года назад
@@aryanshrivastava8312 from India 🇮🇳🇮🇳🇮🇳
@diyapudota
@diyapudota 4 года назад
@@winny6167 ayyyyyy india
@madalynmartin9257
@madalynmartin9257 9 лет назад
As a student in college, these videos have been so extremely helpful to re-familiarize myself with information I learned years ago in high school. Thank you SO much for providing these brief, clear, and interesting videos! They're saving my grades.
@shanewilliams7627
@shanewilliams7627 8 лет назад
Hot nerdy vampire girl in your chemistry class, it gets intense *shows picture of Marceline*😂😂😂😂😂👏🏽
@rangarolls6018
@rangarolls6018 8 лет назад
Hot cannot be in the same sentence as "nerdy vampire girl" I think what u meant was "eye cancer"
@AngelSamael
@AngelSamael 8 лет назад
+Shane Williams not very nerdy though. Her girlfriend on the other hand...
@sethwhittle3137
@sethwhittle3137 4 года назад
Adventure Time is awesome!
@kaiyatiwari7233
@kaiyatiwari7233 4 года назад
crash course rlly said gay rights with Bert and Ernie
@ladyrage7849
@ladyrage7849 8 лет назад
reading through the comments like "none of you know what 'crash course' means, do you?"
@arch2044
@arch2044 5 лет назад
I do
@coloraturaElise
@coloraturaElise 4 года назад
You know that people don't actually read, don't you?
@andyshelton5193
@andyshelton5193 9 лет назад
I'm doing A level chemistry in the UK at the moment and although I've learnt a lot of this, I was watching this to gain a higher level of understanding before my test. I had so many epiphanies during this video, I now get how all the topic link! Thank you so much!!
@sameersheikh5301
@sameersheikh5301 8 лет назад
BROOOOOOOO they even included a Bert loves Ernie joke. Wow. XD.
@assmane999
@assmane999 8 лет назад
+Golam, In Brackets Yeah, they got married. Who didn't see that coming?
@SomesingVague
@SomesingVague 5 лет назад
I ship it
@joeey2162
@joeey2162 8 лет назад
And that was a very discreet TFIOS reference I saw there...
@tnttiger3079
@tnttiger3079 7 лет назад
his brother wrote the book, if you didnt know.
@carlalvares9218
@carlalvares9218 7 лет назад
I thought you were joking and then i looked it up
@asitas
@asitas 6 лет назад
I love it when people realise in the comments that the crash course John Green and the author John Green are same 😂😂
@lloplop
@lloplop 8 лет назад
I'm screwed
@ryandward
@ryandward 8 лет назад
+lloplop How can you be screwed? There is literally one formula.
@10PaigeLeigh
@10PaigeLeigh 6 лет назад
me too :')
@lionking-ig5yi
@lionking-ig5yi 6 лет назад
Ryan Ward the number of formula doesn't matter if one is bad at analysation
@annyargh
@annyargh 9 лет назад
My bio professor just linked this for our lesson this week, jfc. Why am I paying out the butt for school when apparently I can just watch Hank Green teach me things for free?
@haydnsorenson1741
@haydnsorenson1741 8 лет назад
Who else is here for finals?
@classiseverything2me
@classiseverything2me 8 лет назад
Awww thank you....this Crash Course truly saved my grade after struggling for WEEKS. You've fully explained this concept very effectively and I soooo appreciate it. AND you're HILARIOUS!!!
@maymiscalculate7859
@maymiscalculate7859 7 лет назад
Thanks for getting me an A! because my teacher can't teach...
@TheAmethystStar101
@TheAmethystStar101 10 лет назад
"Augustus is in a relationship with Hazel." 3:45 pm, Jan. 10th, 2012 (xD hahahha Hank) 0:12
@myleschandler3951
@myleschandler3951 4 года назад
I was waiting for a comment like this
@vkmvk7086
@vkmvk7086 4 года назад
3:59 A Doofenshmirtz backstory
@autumnrose3548
@autumnrose3548 Год назад
I rlly appreciate the speed the videos goes at since I'm a visual learner that thinks very fast. I usually zone out or can't concentrate if anything is too slow or monotone (like my physics and chem teacher) so thank you so much. You are a lifesaver.
@majorgeek8135
@majorgeek8135 8 лет назад
Can you guys make math videos?
@sm_r-ig4mi
@sm_r-ig4mi 6 лет назад
watch Big Shaq - Man's Not Hot. Theres lots of *quick* maths for u
@youretotallyrightbut6646
@youretotallyrightbut6646 6 лет назад
They have statistics now
@jengeorge9001
@jengeorge9001 9 лет назад
THANK YOU THANK YOU THANK YOU!!!! You have such an amazing way of explaining things! I am currently working my way through the Biology crash course but headed over here to get better understanding of the different types of bonds... you make it so easy to understand! so again... THANK YOU!!
@XPimKossibleX
@XPimKossibleX 9 лет назад
6:13 that sneaky annotation though. good job editor.
@emmiethedoodle14
@emmiethedoodle14 8 лет назад
If he's talking too fast turn on the subtitles it's so much better! And if you're taking notes, turn on the subtitles and pause when something important pops up!
@guitaro5000
@guitaro5000 10 лет назад
This is actually more complicated than a lecture from school.
@oliverwalter2850
@oliverwalter2850 10 лет назад
agree
@jamessobieski6841
@jamessobieski6841 10 лет назад
because he's putting all the info you might learn in a week into 9 minutes
@jacobburger2057
@jacobburger2057 10 лет назад
James Sobieski *week Trololololol
@justbunnybro7363
@justbunnybro7363 10 лет назад
if you want to retain and understand the information from his videos then you may want to have the Pause button ready and some notes you may ultimately be spending 30 minutes on a 10 minute video but you'll have truly learned something and have notes to look back to. at this point in CrashCourse Chemistry it's not covering standard HS Chemistry or CHEM 101
@Lisagb3
@Lisagb3 10 лет назад
JustBunnyBro this is stuff you learn in college in the premed/for majors courses -someone who is taking those courses
@hausalightbourne5071
@hausalightbourne5071 8 лет назад
Your passion and comical nature give chemistry a great flavor. Love your videos.
@TheFireflyGrave
@TheFireflyGrave 10 лет назад
Coming in 2016: Crash Course Relationships.
@sudhamshusuri1844
@sudhamshusuri1844 5 лет назад
2018 mate still waiting for it
@collegepenetration1968
@collegepenetration1968 5 лет назад
2019 is on its way. What gives?
@baozelin245
@baozelin245 5 лет назад
@@collegepenetration1968 2019 is here, 2020 is our best hope now
@beshoybahaa150
@beshoybahaa150 5 лет назад
@@baozelin245 lol
@szbbhc
@szbbhc 4 года назад
2019 is nrly gone, surely ill stop being lonely in 2020
@flow4458
@flow4458 4 года назад
Dude! I'm studying chemistry and we've been talking about bonds for weeks now. I've been watching every video on the internet and stayed uninformed. Finally I thought "hey, wasn't that channel kinda cool when you were having finals?" and just clicked on this video. I need to admit that even though I am not even living in an English speaking country, this video has been the one that explained most. Isn't that sad? You're doing a great job! And as I've already said: I ain't living in an English speaking country and the pace was just great!
@dominique7784
@dominique7784 6 лет назад
Honestly enjoyed this video and understood more after i was done watching. I watched this in my chemistry class and i'm re watching it for my final. I would recommend taking notes on the video for a quick and easy summary. I put the subtitles on which made it easier, changing the speed to something slower may also help others who think the video is to fast.
@ninawithann
@ninawithann 5 лет назад
why would anyone thumbs down a crash course video???? these are so helpful!
@bonniewu6155
@bonniewu6155 8 лет назад
幸好有字幕,感谢,化学老师上课就是很喜欢放这位仁兄的教学短片,thx!!!!
@knobtwista
@knobtwista 10 лет назад
Thank you for existing, Hank & Co! This helped me study fore a test I have soon!
@Zoe-ye6dy
@Zoe-ye6dy 8 лет назад
I'm crying. We had a sub in Chemistry today and she put this on and I literally screamed and she looked at me like I was crazy. I was on the verge of tears I was so excited omg
@omarpinon2973
@omarpinon2973 6 лет назад
Zoe I would too wtf
@rajeshzambani3678
@rajeshzambani3678 5 лет назад
Zoe wht made u excited
@jamesecroyd
@jamesecroyd 5 лет назад
Zoe Jesus Chris you sound insufferable
@0olong
@0olong 8 лет назад
I like how he says 'we often say that an ionic bond is formed from the transfer of electrons from one atom to another', rather than suggesting that this is actually how ionic bonds form (it really isn't, on the whole). Subtle, but somehow comforting.
@chadbierman8058
@chadbierman8058 5 лет назад
I remember watching this a year ago when I was taking biology realizing it was for chemistry, and now here I am in chemistry watching it again!
@WiseWik
@WiseWik 11 лет назад
Thank you so much Hank and whole CC team! I finally start to like and respect chemistry which I use to hate in school.
@vinq8621
@vinq8621 7 лет назад
Do not think you tricked me @ 0:58 to 0:59, Crash Course
@davidvillacrez
@davidvillacrez 7 лет назад
Vince Lombardi exposed
@skt8929
@skt8929 6 лет назад
Vince Lombardi jump cut
@cvwxk
@cvwxk Год назад
I like how you went in depth of the different bonds! It helped me so much thanks!
@robertmoore107
@robertmoore107 8 лет назад
CrashCourse is my favorite youtube channel. So many videos on so many different subjects!!
@panizsalehi1968
@panizsalehi1968 5 лет назад
Another reason why we call “Love” chemistry :) it’s just fascinating!
@kenil3469
@kenil3469 9 лет назад
These videos are getting me through high school, thank you!
@GhostRaven
@GhostRaven 11 лет назад
I love these videos. What you guys are doing here is amazing and absolutely necessary.
@usernamechoosed8
@usernamechoosed8 7 лет назад
Chemistry is so much more interesting than Physics! 🙆‍♂️
@jonathanschossig1276
@jonathanschossig1276 7 лет назад
Usernamechoosed8 They're both interesting.
@cindyqin4762
@cindyqin4762 Год назад
me hitting the replay button for the 2 millionth time:
@POTATOCHOCOLATE13
@POTATOCHOCOLATE13 10 лет назад
I am tired just listening to you!!!! I have an exam tomorrow and I am so glad we only covered the minimum on ionic and covalent bonds!
@channel11ful
@channel11ful 9 лет назад
Well done... you guys are doing great work!!!!!
@JTRKX
@JTRKX 9 лет назад
Very clear and interesting video! These vids help me study so I'm in love
@zpolygon95
@zpolygon95 11 лет назад
I wish I had this when I took chem... Hank explains EVERY topic so much more comprehensively than my chem teacher (who may have never actually learned the subject herself)
@MiscellaneousMush
@MiscellaneousMush 10 лет назад
"We here at crash course do not dispense relationship advice." Can't say the same for John in his World History series. xD
@geeway5923
@geeway5923 5 лет назад
link? for a friend, I mean
@dalejerden4330
@dalejerden4330 9 лет назад
Thank you for all of the videos, they are great!
@Sid37612
@Sid37612 5 лет назад
Awesome. I actually grasped everything Hank said!
@michaeltank1587
@michaeltank1587 8 лет назад
You and John are this AP Students Life Saver!
@sakurasraven
@sakurasraven 9 лет назад
I love these so much! They're a great help when studying for exams!!!
@joeytje50
@joeytje50 11 лет назад
Wow, that was really informative! Thanks a lot for the explanation!
@ryoutakise9429
@ryoutakise9429 8 лет назад
that hot vampire nerdy girl is marceline (from adventure time) hahahha...hank you're the best in making boring things fun.
@ayedriamiller1395
@ayedriamiller1395 6 лет назад
Ryouta Kise I'm so glad I'm not the only one that noticed that lol
@MegaFittie
@MegaFittie 10 лет назад
I SAW THAT GUS AND HAZEL REFERENCE AT THE START HANK ;_;
@nerdsshalldominate
@nerdsshalldominate 9 лет назад
Thanks, Hank! This helped a lot!!!
@maxineuddyback4377
@maxineuddyback4377 5 лет назад
This just helped me understand all my notes and my textbook I feel ready for my test tomorrow 👊🏾
@thomasjacquet3449
@thomasjacquet3449 9 лет назад
Hello ! Thank you for your work, it helps me a lot even if I'm french I manage to follow. Even if you are all speedy ^^ Could you make a video on the complexation reactions ? Thanks, keep up the good work =D !
@huntertheprotogen
@huntertheprotogen 4 года назад
"Augustus is in a relationship with Hazel." 0:12 You thought you could just reference your brother's book and not have me notice Hank??
@jennamallette4491
@jennamallette4491 9 лет назад
this helped me so much studying tonight!!!! thank you!!!
@nithainthavong
@nithainthavong 10 лет назад
So much information in such compressed time.
@MakeMeThinkAgain
@MakeMeThinkAgain 8 лет назад
The metallic bond didn't get any love here.
@milanstevic8424
@milanstevic8424 5 лет назад
that's an ionic bond made up with metal ions
@MK-fo3ec
@MK-fo3ec 5 лет назад
@@milanstevic8424 im so confused please explain 🙏
@MK-fo3ec
@MK-fo3ec 5 лет назад
@@milanstevic8424 im so confused please explain
@milanstevic8424
@milanstevic8424 5 лет назад
@@MK-fo3ec metallic bond = ionic bond made up with metal ions in other words, all metallic bonds are ionic bonds. not every ionic bond is a metallic one. nothing to be confused about.
@Noor-bk1on
@Noor-bk1on 4 года назад
@@milanstevic8424 Someone can be confused about something, if they don't have the right understanding of the material.
@milliebysh526
@milliebysh526 10 лет назад
Wow...... TFIOS and Twilight references AND complicated Chemistry??? This is what I call GCSE revision :D
@anidioy4085
@anidioy4085 Год назад
Thank you so much 🙏 this channel is an actual life saver!
@els_venturing
@els_venturing 8 лет назад
So useful!! Thank you Crash Course!! Have they done an episode in metallic bonding?
@hiarchie
@hiarchie 4 года назад
Hank: *"atoms are a lot like us"* Me, an intellectual: *"atoms ARE us"*
@ElBounch
@ElBounch 9 лет назад
minute 4:00 CHILDHOOD TRAUMA ALERT!!!
@bananacanada25
@bananacanada25 10 лет назад
THANKS HANK GREEN THESE VIDEOS REALLY HELPED ME A LOT FOR MY AP BIO CLASS!!!
@roseannee6740
@roseannee6740 6 лет назад
Amazing video . It was really educational
@lexihenderson135
@lexihenderson135 9 лет назад
I do not study for my Chem tests, I watch crash course 😍
@ethankurtzvideos
@ethankurtzvideos 6 лет назад
At 5:57 seconds you can see an iron man falling columbs tuber
@taniatrinidad5854
@taniatrinidad5854 Год назад
amo este canal, explica tan bien
@claudekennedy7855
@claudekennedy7855 8 лет назад
These videos are SO helpful, you dont understand. We cannot thank you enough.
@okkh4985
@okkh4985 4 года назад
Me: struggling with Honors chemistry and doesn’t know how to study
@appocalypse2806
@appocalypse2806 9 лет назад
2:25 Marceline the vampire queen from adventure time?
@MasterGamer2853
@MasterGamer2853 5 лет назад
YESSS SOMEONE NOTICED
@dominoscustomersupport4373
@dominoscustomersupport4373 5 лет назад
Yay it wasn’t just me that got hyped
@applebone3254
@applebone3254 5 лет назад
amazing world of gumball better
@coldestsun2095
@coldestsun2095 5 лет назад
@@dominoscustomersupport4373 no
@diyapudota
@diyapudota 4 года назад
JAKE THE DOG AND FINN THE HUMAN LIVE TOGETHER AS ONE ADVENTURE TIME
@emilybacon6733
@emilybacon6733 10 лет назад
This has helped so much, thank you!!
@Noahbusbyj
@Noahbusbyj Год назад
great video thank you!
@ninaklaser7162
@ninaklaser7162 9 лет назад
Can you do a video on hybridization and valence bond theory?
@shaboatrad4066
@shaboatrad4066 7 лет назад
Guess I'm the only one watching it all cause I love chemistry!!!
@adityakaul4890
@adityakaul4890 7 лет назад
I am here too for that... Day after tomorrow is my Sanskrit Term Exam.....I don't know why am I watching this...
@rajatkamalpolisety2864
@rajatkamalpolisety2864 7 лет назад
YOU DO SANSKRIT TO? lol srry caps :D
@Shimamon27
@Shimamon27 7 лет назад
I watch for fun
@olivia6873
@olivia6873 6 лет назад
My love for chemistry decreased greatly earlier today when I was told about my test, which is taking place tomorrow
@shao2959
@shao2959 6 лет назад
No! There's loads of ppl that loves chem and is watching this for that reason.
@kdavies1565
@kdavies1565 11 лет назад
I really like the checklist/summary at the end of these videos, it's a well needed checkup to make sure i haven't forgotten anything (i tend to daydream, nothing against the videos, just me)
@1geniy861
@1geniy861 7 лет назад
Thank you, great video!
@kraziiass
@kraziiass 10 лет назад
O.o I kinda got lost and spaced out while he was talking yet I understand what he is trying to say at the same time. cool video XD
@gol.drodger5261
@gol.drodger5261 9 лет назад
No you didn't why lie.
@kraziiass
@kraziiass 9 лет назад
-_- how would you know?
@gol.drodger5261
@gol.drodger5261 9 лет назад
Nah am playing just wanted to get your attention You on Instagram?
@kraziiass
@kraziiass 9 лет назад
o: No.............lol
@gol.drodger5261
@gol.drodger5261 9 лет назад
I'm in need of a way to contact you tho 😩😩😩
@Hi-wb6fh
@Hi-wb6fh 4 года назад
Omg i saw MARCILYN! Adventure time's the best
@Rockkid2005
@Rockkid2005 5 лет назад
this vid really helps me in class but now I have to rewatch it now to relearn this stuff which is pretty nice. although it is a really helpful vid.
@proknight6647
@proknight6647 5 лет назад
This is great. Go Crash Course Team
@1901180108
@1901180108 10 лет назад
If your textbook doesn't talk about bond length, you probably don't have to worry about it for the test. I wish you the best of luck with your class! :)
@javierbarron242
@javierbarron242 9 лет назад
I so fucking love these guys! Thabks a lot! And if it works for you in some way, i dont think that was a lot of information, it was all clear!
@Derpsii
@Derpsii 6 лет назад
Javier Barron **Thanks**
@kalyanisrivastava1780
@kalyanisrivastava1780 5 лет назад
WHY THE PROFANITY
@BoogieBoogsForever
@BoogieBoogsForever 4 года назад
Excellent writing! Especially the bit about 'We've all been there!'...
@Luvme4ever31459
@Luvme4ever31459 10 лет назад
This is fantastic. 3 finals the last 3 days and crash course helped me with all of them.
@Grizzlydoink
@Grizzlydoink 4 года назад
What’s up quarantine squad 😎
@memr1a
@memr1a 4 года назад
seeing laina in 2019 makes me feel somewhat nostalgic lmao
@littlebumgorf
@littlebumgorf 11 лет назад
very interesting order that was chosen to present these topics. I like it. hi Hank
@martinji1000
@martinji1000 9 лет назад
These videos are so helpful and hilarious, Thank you! :)
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