Polar & Non-Polar Molecules: Crash Course Chemistry #23

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  • เผยแพร่เมื่อ 18 ธ.ค. 2024

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  • @crashcourse
    @crashcourse  2 หลายเดือนก่อน +50

    There is an error in this video at 9:56, in the video we say "non-polar" but it should say "polar" The video script should say: "A molecule needs to have charge asymmetry and geometric asymmetry to be POLAR." Thank you to our audience for pointing this out!

  • @amandavitti6629
    @amandavitti6629 11 ปีที่แล้ว +3705

    Hank: "If electrons were teenage girls, flourine would be niall horan."
    Me: it all makes sense now...

    • @ayushipandey1083
      @ayushipandey1083 5 ปีที่แล้ว +81

      liked the video only for including niall horan

    • @taqdisansari8523
      @taqdisansari8523 5 ปีที่แล้ว +27

      Too funny for the examiner. Dang this education system.

    • @lambtonchemistry4408
      @lambtonchemistry4408 5 ปีที่แล้ว +18

      Amanda I see your spell check was not working. I wonder what kind of bread you can make with "FLOURine"?

    • @MCFLY4
      @MCFLY4 5 ปีที่แล้ว +3

      cool

    • @aksharaa5376
      @aksharaa5376 4 ปีที่แล้ว +14

      apparently im not a girl

  • @harrys_vodka
    @harrys_vodka 4 ปีที่แล้ว +1705

    I feel like if more chemistry teachers referenced one direction I would understand everything so much more

  • @aimanbahrim1022
    @aimanbahrim1022 4 ปีที่แล้ว +1777

    Eminem: im the fastest rapper alive
    Hank: hold my glasses

    • @Keallei
      @Keallei 4 ปีที่แล้ว +3

      aiman bahrim beautiful

    • @catmouse2882
      @catmouse2882 4 ปีที่แล้ว +5

      Busta Rhymes would be faster

    • @SVUfannyc
      @SVUfannyc 4 ปีที่แล้ว +7

      LOL i've always thought he can probably say 100 words in 2 seconds if he tried.

    • @kimmkhize532
      @kimmkhize532 4 ปีที่แล้ว +2

      @@catmouse2882 true

    • @daiwikdhar6464
      @daiwikdhar6464 4 ปีที่แล้ว +20

      It should've been HOLD MY BOND

  • @jRh0121
    @jRh0121 10 ปีที่แล้ว +862

    Wish I could learn as fast as he talks.

    • @thehuman6932
      @thehuman6932 5 ปีที่แล้ว +4

      I can....

    • @LBonk
      @LBonk 4 ปีที่แล้ว +7

      Me, too...

  • @mckenna8663
    @mckenna8663 9 ปีที่แล้ว +2548

    Just STARTING to learn this... and this went SO fast - it was confusing. I think this is more for people who are SURE of a concept and just want to review before a test, than it is for those just learning about it and want to understand the concept from the beginning.
    I'll be back after I'm SURE of the concept.

    • @MrBlitz2000
      @MrBlitz2000 8 ปีที่แล้ว +47

      +Mc Kenna I use this for review. :P

    • @mckenna8663
      @mckenna8663 8 ปีที่แล้ว +70

      Bob John
      Exactly. As a review... not an intro

    • @SidPhoenix2211
      @SidPhoenix2211 8 ปีที่แล้ว +37

      yeah, it is definitely helpful if you have some idea about the concept. me, fit example, am watching these videos to get a recap on what I wrote

    • @AvatardSwag
      @AvatardSwag 8 ปีที่แล้ว +42

      +Mc Kenna I think Khan Academy does a better job of introducing you to new concepts, including this concept, because I found the Khan Academy one much easier to follow. There are no graphics.

    • @mckenna8663
      @mckenna8663 8 ปีที่แล้ว +34

      AvatardShwag
      The greatest Biology, Anatomy, & Physiology teaching videos I have found on You Tube are from a college asst professor out of California named Wendy Riggs. (Her channel is called Wendy Riggs) She explains things so clearly that I understand them MUCH better from her than with my college professor. Carrying a 98.4% in Anatomy and Physiology I this semester...and THAT miracle is pretty well because I found ;Wendy's channel... and, of course, LOTS of hard work.

  • @thatweirdguywhostalkspeopl1908
    @thatweirdguywhostalkspeopl1908 4 ปีที่แล้ว +448

    Let me sum it up so you can let it sink in:
    Polar molecules:
    -do not have symmetry in their chemical formula
    -may be bonded with Hydrogen
    Nonpolar molecules:
    -Have symmetry in their chemical formula
    -may be composed of only 1 element
    -may only be composed of Hydrogen and Carbon

  • @saturnus8187
    @saturnus8187 5 ปีที่แล้ว +241

    1- says one direction
    2- i think about them
    3- i research about their break up
    4- i finish my research
    5- its time to go to sleep

  • @ColonialFungus
    @ColonialFungus 10 ปีที่แล้ว +123

    To those who are having trouble keeping up,(I am not making fun of I simply comment to offer advice), turning on the captions can help with absorbing all of the information. Also, get used to the fact that your not going to always get the concept the with the first explanation,(Especially with Chemistry and the b**ch particle, AKA the electron) and that is why the rewind feature should be used often. Another thing to remember is that this is meant to be an overview meant for consultation, not for in depth learning of the concept being taught in its entirety. I hope this helped.

  • @ansa6874
    @ansa6874 4 ปีที่แล้ว +772

    Imagine dumping a bucket of water on someone and they just ...dissolve

    • @margueritechastain6093
      @margueritechastain6093 4 ปีที่แล้ว +14

      Steve Anthony Teves the wicked with of the east

    • @IndigoMist44
      @IndigoMist44 4 ปีที่แล้ว +20

      @@margueritechastain6093 i thought it was the west

  • @Allisonlikescats
    @Allisonlikescats 10 ปีที่แล้ว +5549

    I blinked and missed the whole video.

    • @InvinciblePepe
      @InvinciblePepe 6 ปีที่แล้ว +146

      You blink for 10:45 minutes?

    • @82kedarwakade67
      @82kedarwakade67 6 ปีที่แล้ว +39

      @@InvinciblePepe good one

    • @rtchemp
      @rtchemp 6 ปีที่แล้ว +60

      Just adjust the speed to 0.75- thats what I did.

    • @jackknifegibson
      @jackknifegibson 5 ปีที่แล้ว +37

      nobody is smart anymore, I'm doing college level chemistry and this is a good speed

    • @jackknifegibson
      @jackknifegibson 5 ปีที่แล้ว +2

      Wow. Talk about a waste of your life.

  • @coleallen9928
    @coleallen9928 5 ปีที่แล้ว +63

    2:44 The two elements that are highlighted when talking about chlorine and bromine were not actually chlorine and bromine they were carbon and boron the symbol for chlorine is Cl bromine Br boron B and carbon C

  • @HighAnders
    @HighAnders 10 ปีที่แล้ว +2639

    too complicated, just gonna get that F tomorrow

  • @onedirectionandpercyjackso3557
    @onedirectionandpercyjackso3557 6 ปีที่แล้ว +88

    Here again I came here thinking of studying
    And there's One Direction!Great wish me luck I have an exam.

  • @kirstymaaac
    @kirstymaaac 10 ปีที่แล้ว +154

    The 1D analogy was superb.

  • @sashickgirl1
    @sashickgirl1 9 ปีที่แล้ว +885

    For those who struggle with the speed of him talking try setting up the speed at 0.5 in the settings on the bar below the video + the bonus of Hank sounding vaguely drunk

    • @TlalocTemporal
      @TlalocTemporal 9 ปีที่แล้ว +4

      Sasha S For some reason, my setup totally ignores that setting. Must be Android.

    • @jessicaenglish9224
      @jessicaenglish9224 9 ปีที่แล้ว +25

      +Sasha S haha 0.5 is way too slow, i think they need a 0.75 option!

    • @EmissKEA
      @EmissKEA 9 ปีที่แล้ว +6

      +Sasha S HAHAHA he does sound vaguely drunk! Hilarious!!! :D

    • @EmissKEA
      @EmissKEA 9 ปีที่แล้ว +4

      +Emiss esp. the line "[...]polar is in my humble opinion[...]" xD

    • @EmissKEA
      @EmissKEA 9 ปีที่แล้ว +2

      +Sasha S TRY TO SET THE SPEED AT 2.

  • @crashcourse
    @crashcourse  11 ปีที่แล้ว +56

    Accurate. Thanks Jan.
    Sorry for the mix-up everyone, we will try to be more diligent in our proofing in the future.

  • @singinglips92
    @singinglips92 9 ปีที่แล้ว +383

    I came here to escape one direction and focus on my exam WTF YO

  • @hiarchie
    @hiarchie 4 ปีที่แล้ว +98

    Killers: Using weapons
    Me, an intellectual: *Dissolves my enemies with water*

  • @crashcourse
    @crashcourse  4 ปีที่แล้ว +242

    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

  • @appealingbanana7463
    @appealingbanana7463 5 ปีที่แล้ว +22

    I think a correction is needed at minute 10:00.
    Green shoul've said: A molecule needs to have both charge asymmetry and geometric asymmetry to be **POLAR**
    Please certify if I am right

  • @peachtreemcgee309
    @peachtreemcgee309 10 ปีที่แล้ว +366

    As corny as it sounds, I want to thank crash course a lot for chemistry because it helped me get through my chemistry exam when I was having a tough time studying on my own. They made it easier to understand and made it seem more enjoyable, thank yall so much

    • @truboo4268
      @truboo4268 10 ปีที่แล้ว +13

      A ton of people would disagree with you, saying 'He speaks too fast'.

    • @vanessaleighton1545
      @vanessaleighton1545 10 ปีที่แล้ว +5

      It helped me a lot too. I love CrashCourse!

    • @FraserSouris
      @FraserSouris 10 ปีที่แล้ว +4

      Bryan Cotto You can slow down/speed up the video on the computers

    • @leannekennedy6724
      @leannekennedy6724 6 ปีที่แล้ว +7

      Yo in the future you can do that on mobile too! 😁

    • @joanyou6254
      @joanyou6254 4 ปีที่แล้ว +5

      @@leannekennedy6724 in the future 😂😂

  • @sunflowervol6722
    @sunflowervol6722 6 ปีที่แล้ว +35

    MY DIRECTIONER'S HEART 💜💘💖💞💗💕💘 *gotta love chem after this*

  • @gustafson2016
    @gustafson2016 9 ปีที่แล้ว +14

    I actually like how he talks fast... It means I can learn more within a limited time space.

  • @kall3y
    @kall3y 9 ปีที่แล้ว +658

    so i stopped focusing on 1d to figure out what my chem homework was about and apparently i can't escape them help

    • @vulkin8824
      @vulkin8824 9 ปีที่แล้ว

      +Kalley Laso so ur an asian luver i see

    • @kall3y
      @kall3y 9 ปีที่แล้ว +1

      +JC Lopez what???

    • @vulkin8824
      @vulkin8824 9 ปีที่แล้ว

      Kalley Laso u luv asians judging by your picture

    • @kall3y
      @kall3y 9 ปีที่แล้ว +1

      +JC Lopez that doesn't necessarily mean i love Asians, i could just love the one guy

    • @vulkin8824
      @vulkin8824 9 ปีที่แล้ว

      Kalley Laso nah u luv asians

  • @kashshk845
    @kashshk845 6 ปีที่แล้ว +18

    i love how hank mentions the boys in so many videos, you can try escaping but hank is the electron to the 1d atom that will attract u. SHOOK

  • @crashcourse
    @crashcourse  11 ปีที่แล้ว +7

    yup. small mix-up with thoughtcafe! we've annotated to point at the right elements

  • @cellardoor7474
    @cellardoor7474 7 ปีที่แล้ว +1

    I'M 50 and never got through high school and am trying to teach myself this stuff. I couldn't even do basic math but l just love physics , so please please learn this stuff while you can. I just love this guy. what a cool nerd.

  • @silverstonestream5477
    @silverstonestream5477 6 ปีที่แล้ว +25

    I just needed to finish my chem hw and finally tore myself out of the 1D videos and guess what? Niall is back. Jesus help me. WHyyyyyyyy all I wanTED Was to fiNish my HW.

  • @ashleycloud1567
    @ashleycloud1567 6 ปีที่แล้ว +17

    Honestly, people may find this confusing... but it helped so much more than my actual chemistry teacher. I leave class not knowing wtf is going on. CrashCourse helps put things into perspective for me

  • @yugen
    @yugen 10 ปีที่แล้ว +147

    Change speed to .5 for best results.

    • @HUMANUSHABILITATION
      @HUMANUSHABILITATION 10 ปีที่แล้ว

      how so you so this?

    • @chmmooc9254
      @chmmooc9254 10 ปีที่แล้ว +6

      Hilarious- well played, Dallas.

    • @yugen
      @yugen 10 ปีที่แล้ว +9

      CHM MOOC lol he sounds drunk right?

    • @dawnfmEnthusiast
      @dawnfmEnthusiast 10 ปีที่แล้ว +1

      i finally understand what he's saying now.

    • @philliproche2817
      @philliproche2817 10 ปีที่แล้ว

      i had no idea you could do this! so many potentially comical moments unlocked!

  • @mokyungsung3953
    @mokyungsung3953 8 ปีที่แล้ว +28

    I greatly admire the meticulousness of the animators to animate even the reflection of the flag pole against the desk.

  • @emilyparks8635
    @emilyparks8635 10 ปีที่แล้ว +6

    The speed is challenging, but it pushes me to understand more thoroughly/quickly (even if I have to pause it to digest 3 seconds of info). I never really took Chemistry in high school, so these CrashCourse videos are saving my college butt! Thank you!

  • @vedanttiwary2419
    @vedanttiwary2419 5 ปีที่แล้ว +152

    I am watching this in 2019 and realizing how irrelevant and unrelatable the 1 direction references are even though they were the sensation of the time at the time of this video(5.5-6 years ago)

    • @Savethebees523
      @Savethebees523 4 ปีที่แล้ว +28

      dumb comment in 2020. totally irrelevant

    • @prodigygetgud7921
      @prodigygetgud7921 4 ปีที่แล้ว +4

      Should have stuck to References of the Beatles, cant go wrong there.

    • @yashkatyan8214
      @yashkatyan8214 4 ปีที่แล้ว +10

      @Olivia Saklofsky you are absolutely correct

    • @rationalmartian
      @rationalmartian 4 ปีที่แล้ว

      Who?
      LOL.

    • @Zeno-brawlstarss
      @Zeno-brawlstarss 4 ปีที่แล้ว +2

      People a year ago would have never knew corona would be here to save us from school

  • @ViridisArborem
    @ViridisArborem 11 ปีที่แล้ว +7

    I love Crash Course Chemistry. You guys seem to be picking topics that I'm currently studying at school, like in the last two weeks. Best exam revision ever :)

  • @scargmedia1861
    @scargmedia1861 4 ปีที่แล้ว +20

    I discovered this channel a few days ago and I love it, but I feel there may have been a couple of fairly significant slip-ups in this video. Correct me if I'm wrong, but Hank says water is able to dissolve virtually anything remotely non-polar. Should he not have said that water is able to dissolve virtually anything remotely *polar*?

  • @crashcourse
    @crashcourse  11 ปีที่แล้ว +12

    Annotated to point at the correct elements. Had a small mix up with the graphics team!

  • @jhazelvictorio
    @jhazelvictorio 9 ปีที่แล้ว +109

    When you're trying to focus on the video but MITAM ad keeps popping out on the side then suddenly Niall Horan came out of nowhere

    • @vulkin8824
      @vulkin8824 9 ปีที่แล้ว +3

      +Johmaelein Hazel um.. nah m9

    • @tina4211
      @tina4211 6 ปีที่แล้ว +2

      samee!!

  • @tsingh6426
    @tsingh6426 9 ปีที่แล้ว +42

    Please do crash courses of physics! You're so helpful with everything else: pretty please?

    • @han-ht3dd
      @han-ht3dd 8 ปีที่แล้ว +1

      +Tejal Singh they're starting one!!

    • @imagurd
      @imagurd 8 ปีที่แล้ว

      +Hannah Barth On January 29, 2016, the Crash Course Tumblr confirmed that the Physics course will debut in late March, hosted by Dr. Shini Somara.

    • @Halamadridistas
      @Halamadridistas 8 ปีที่แล้ว +1

      +Tejal Singh Its up now, if you didnt know. :)

    • @tsingh6426
      @tsingh6426 8 ปีที่แล้ว

      +TwoTacosForPaco Thanks

  • @sakurasraven
    @sakurasraven 10 ปีที่แล้ว +17

    I love the metaphor with Niall. lol
    The polar bears made me sad :'(

  • @bananacanada25
    @bananacanada25 11 ปีที่แล้ว +9

    ONE DIRECTION AND NIALL HORAN REFERENCES. I CAN'T. YOU'RE THE BEST HANK.

  • @ufo717212
    @ufo717212 8 ปีที่แล้ว +70

    1. electronegativity difference 0.5-1.6
    2. geometrical asymmetry

    • @christietoole4279
      @christietoole4279 5 ปีที่แล้ว

      ukyee I thought it was 0.5- 1.9

    • @1010-z5h
      @1010-z5h 5 ปีที่แล้ว

      ukyee waaaait our teacher says 0.5-1.7 hmm………?

    • @Emma-mx8lu
      @Emma-mx8lu 4 ปีที่แล้ว

      Frick I have to answer this question too

  • @TheWilkersonFamily
    @TheWilkersonFamily 8 ปีที่แล้ว +10

    These videos explain some concepts that I just couldn't fully wrap my head around by reading about it in the textbook. Thank you so much for clearing things up with this informative and funny video!

  • @courtneyh.7373
    @courtneyh.7373 9 ปีที่แล้ว +11

    my boys were mentioned. Who knew that Chemistry would be so awesome!

  • @awesomest230
    @awesomest230 10 ปีที่แล้ว +7

    This is like a million percent awesome. The polarity of molecules and how they basically shape our biological lives is just. so. cool. DFBTA :)

  • @Think-Deutsch
    @Think-Deutsch 7 ปีที่แล้ว +6

    You sir, increased my passion for chemistry even more and more! This was highly enjoyable, thank you!

  • @alialsouaijet5563
    @alialsouaijet5563 10 ปีที่แล้ว +881

    These chemistry videos are great but real confusing because he is too fast

    • @yugen
      @yugen 10 ปีที่แล้ว +26

      Change speed to .5 or .25

    • @RB-sx7my
      @RB-sx7my 10 ปีที่แล้ว +87

      I can't concentrate when its on .5, it's like he's a drunk chemist it's hilarious

    • @Vinceyu-180
      @Vinceyu-180 10 ปีที่แล้ว +4

      Ruchelle B lol so true

    • @Vinceyu-180
      @Vinceyu-180 10 ปีที่แล้ว +3

      Ruchelle B do it on 2 omfg

    • @starbird14
      @starbird14 10 ปีที่แล้ว +8

      Epicness168 watch it on 2, and then 1 doesn't seem so fast.

  • @onesummerday9716
    @onesummerday9716 7 ปีที่แล้ว +2

    When i was watching this chemistry crash course back years ago, hank had only a hunder thousand views and i thought people should appreciate this crash course more. Im so happy each cc chemistry videos has more than a million views now.

  • @abiomajor1046
    @abiomajor1046 10 ปีที่แล้ว +7

    I survive off of these videos to learn things that my teacher fails to teach (basically all of it). I find the speed perfectly funny and it isn't a problem for me to simply pause the video, write a couple notes and continue on my way. Thankyou for making these! I watch a lot of crash course simply for the fun and interesting topics, or like now, to survive yet another year of school.

  • @amberfonseca6340
    @amberfonseca6340 9 ปีที่แล้ว +3

    This guy has helped me through biology and chemistry for years!! HE IS MY SAVIOR!!!

  • @planetexpress8125
    @planetexpress8125 10 ปีที่แล้ว +24

    Chemistry, I think, is the most beautiful study, because it's study of everything. Hank made it to me even more beautiful.

    • @MagisterJake
      @MagisterJake 10 ปีที่แล้ว +13

      No, you're wrong. Physics is the most beautiful area of science, as it is the science that can explain everything, even Chemistry.

    • @planetexpress8125
      @planetexpress8125 10 ปีที่แล้ว +1

      I like both, chemistry and physics, but for me they aren't so different. I like to think that chemistry is just a little part of The Greatest Science, called physics. And this part (plus quantum mechanics) is what I like in physics.

    • @gtd3765
      @gtd3765 10 ปีที่แล้ว +2

      MagisterJake
      Actually I think you mean math (and I'm saying that as a Chemist).

    • @MagisterJake
      @MagisterJake 10 ปีที่แล้ว +4

      gtd3765 Math is the logic of something, whether it's real or not.

    • @JPeachyDev
      @JPeachyDev 10 ปีที่แล้ว +3

      MagisterJake nice try sheldon cooper.

  • @sm_r-ig4mi
    @sm_r-ig4mi 7 ปีที่แล้ว

    I'm new to this topic, and have seen multiple of CrashCourse's videos. Yes they are fast and hard to understand. Here's a trick for people on computer:
    Right click on the page,
    Go to inspect
    Go to console
    And copy and paste this code into the console: document.getElementsByTagName("video")[0].playbackRate = x
    Change the x to whatever speed you can understand. I prefer .85 and I understand what the video is about
    Thank me later

  • @shaunabushell9743
    @shaunabushell9743 9 ปีที่แล้ว +1244

    Put your hand up if you're more confused now for having watched this video.

  • @erickacruto6670
    @erickacruto6670 10 ปีที่แล้ว +52

    Great, your better than my professor but you explain too fast I wish you can take it a bit slow. The speed is challenging though it makes me listen attentively. But seriously your awesome it's really a big help. Thank you so much. :)

  • @vishrutgrover3608
    @vishrutgrover3608 4 ปีที่แล้ว +4

    9:32 "that's better"
    Me : 'Nooo, that's butter' 😂😂

  • @jenniferbaubie
    @jenniferbaubie 9 ปีที่แล้ว +7

    This really should be used in schools. Crash course is the new Bill Nye for me. :)

  • @BenedictaEzike
    @BenedictaEzike 11 ปีที่แล้ว +4

    Love the way he incorporated one direction into this. Hhha!
    Didn't see that coming. Thanks.

  • @TheRok
    @TheRok 8 ปีที่แล้ว +495

    People talking about “too fast”....it is a CRASH course, goddamn it; not a “Che-M-istry for Dummies” book.

    • @HercadosP
      @HercadosP 8 ปีที่แล้ว +31

      you so mean Q.Q

    • @axlito666
      @axlito666 8 ปีที่แล้ว +16

      I watch this with the speed of 2 -_-

    • @mcflurryhazel3595
      @mcflurryhazel3595 8 ปีที่แล้ว +9

      Sacya Sayaca 2 what? mention the unit man!

    • @charlottedsouza2342
      @charlottedsouza2342 8 ปีที่แล้ว +1

      shut up

    • @TheRok
      @TheRok 8 ปีที่แล้ว +4

      Mehveen Hussain 2x the normal playback speed! The unit is 2 sec per 1 sec of video time, for example.

  • @jc__-du6oq
    @jc__-du6oq 8 ปีที่แล้ว +188

    Still sounds like he's speaking another language.

    • @minabobina420
      @minabobina420 7 ปีที่แล้ว +11

      Chemistry IS another language. I hella tripped when a tutor told me that its like we are learning another language. Totally changed my approach in how to study. I stopped trying to figure out why it is what it is, it just is. 🙄

  • @itsausername333
    @itsausername333 10 ปีที่แล้ว +4

    NIALL HORAN OMG. i love you hank.

  • @Spycyzygy
    @Spycyzygy 9 ปีที่แล้ว +8

    I think you should go over that H-Bonds can only form between H bonded to N, O, or F and nothing else

    • @djr5995
      @djr5995 8 ปีที่แล้ว

      +Rsaramallac Good point

  • @DeyannaJones
    @DeyannaJones 5 ปีที่แล้ว +1

    What a goat. All through chemistry last year i never knew how to tell the difference between something polar & nonpolar but i still passed w a B. now i’m in AP Bio & it’s very important to know

  • @jalboyhhome6691
    @jalboyhhome6691 4 ปีที่แล้ว +7

    I came here for one and one reason only. One direction reference. I don't even have Chemistry.

  • @surgedgaming7677
    @surgedgaming7677 8 ปีที่แล้ว +94

    I'm not zoned out or anything and I still don't understand what he's saying.

  • @ruisiliu3515
    @ruisiliu3515 10 ปีที่แล้ว +69

    Learning chemistry makes me feel like Heisenberg.

    • @Thelightsaver1
      @Thelightsaver1 10 ปีที่แล้ว +36

      Are you certain?

    • @ndarwi01
      @ndarwi01 10 ปีที่แล้ว +6

      I have an uncertainty towards your statement.

    • @henriquefernandes3447
      @henriquefernandes3447 9 ปีที่แล้ว +10

      You're goddamn right!

    • @Thelightsaver1
      @Thelightsaver1 9 ปีที่แล้ว +3

      I'm glad a ton of people got the joke lol

    • @ClumpypooCP
      @ClumpypooCP 7 ปีที่แล้ว

      uncertainty principle ayyy

  • @Metin_Mehmet_BBS
    @Metin_Mehmet_BBS 8 ปีที่แล้ว +1

    I love the way you have so much enthusiasm in teaching chemistry, you're well educated and would be beneficial if all teachers were as keen to teach chemistry as you are. Thank you for you're videos and looking forward to more on the future

  • @TheRok
    @TheRok 8 ปีที่แล้ว +12

    2:23 Best definition ever...of “hipster”. And hipsters will still...insist that's not them. As usual.

  • @wrenfreeman6505
    @wrenfreeman6505 4 ปีที่แล้ว +1

    Okay, for everyone complaining about how quickly this video is going and being unable to comprehend it here are some tips
    1. Have a notebook and take notes on important terms and concepts that you hear
    2. Pause to write stuff down or just to give yourself time to process and work out the concepts in your head.
    3. If you need to, slow the video down to 0.75 speed. It might be easier to understand if it's spoken more slowly.
    4. Don't get frustrated if you don't get it the first watch through it's okay to rewatch until you understand.
    5. If you truly can't get it from this video it's totally okay to search for one which is more at the pace you need to go to learn.

  • @stevenethan4638
    @stevenethan4638 8 ปีที่แล้ว +8

    Wait a minute candy bars, you know candy bars, they usually come in a wrapper, just like you wrap a Christmas present and Christmas happens when it is cold, cold as in Alaska and in Alaska there are Polar Bears....polar.. Polar Bears... Po... Polarity. Yesss.....I understood now.

  • @premgill2699
    @premgill2699 8 ปีที่แล้ว

    7:57 Can someone explains what he means by "ice-like clusters that keep the volume of the cold water relatively high, with rising temps these clusters dissapear while the volume of the truly liquid rises resulting in a a major characteristic of water having its highest density at 4 degrees"
    Am I right in thinking he means that the same mass of icey water takes up more volume than liquid water, so it is less dense and floats. This also means water is most heavy at 4 degrees because at temperatures below this it creates hydrogen bonds, which take up room, and at temperatures above this it expands as bonds break and water molecules move faster, increasing the pressure, causing thermal expansion?

  • @CarloCopier
    @CarloCopier 10 ปีที่แล้ว +6

    He's all over the internet..... I always happen to stun upon him...

  • @stretcharmstross
    @stretcharmstross 6 ปีที่แล้ว

    Honestly, changing the speed is so helpful for these videos. Some of them I can watch at 1.5 or even 2 if it's something I'm familiar with and just watching for anything unfamiliar. For the ones I'm less familiar with, I usually watch at normal speed but keep my hand on the space bar to pause as soon as he says something new. Good luck to everyone! :)

  • @aravgunness2215
    @aravgunness2215 4 ปีที่แล้ว +3

    It actually helped despite all the comments saying otherwise. Good for me ig

  • @trippm.6799
    @trippm.6799 8 ปีที่แล้ว

    2:25 this metaphor wierdly makes sense. what really helps is that more protons mean more electronegativity and the more electrons as it goes down means less. helps a ton.

  • @ophekal
    @ophekal 8 ปีที่แล้ว +17

    I came her to study chemistry but found myself fangirling over Niall XD

  • @chloegranger77
    @chloegranger77 7 ปีที่แล้ว

    I rewatched this is it makes sense again. You retain some material from the first time watching, but a second time it is easier to understand. Thanks hank!!!! Saved my grade

  • @Manabender
    @Manabender 9 ปีที่แล้ว +6

    0:33 I lol'd.
    But wouldn't it have become polar once the left head moved? It's no longer symmetrical!

  • @nathanielmunoz8211
    @nathanielmunoz8211 8 ปีที่แล้ว

    I have had this lesson in various years of school and each time, I return to this video. Great video

  • @jessicalindly2118
    @jessicalindly2118 9 ปีที่แล้ว +30

    "It's pretty easy to see when you're just looking ATOM!" Anyone else catch that at the start?

    • @christophertrossj6492
      @christophertrossj6492 6 ปีที่แล้ว +4

      Jessica Lindly what did the gold atom say to the silver atom? Aye you! (Au) see that? I, too, can be clever PERIODICALLY! Somebody stop me

    • @rashmisgourmetcooking6714
      @rashmisgourmetcooking6714 6 ปีที่แล้ว +1

      +Christopher T Ross J Thanks 4 that pickup line buddy:D

    • @christophertrossj6492
      @christophertrossj6492 6 ปีที่แล้ว

      Pravin Pandey linear banter dialogues(one liners) I'm positively good atom loL

    • @rashmisgourmetcooking6714
      @rashmisgourmetcooking6714 6 ปีที่แล้ว +1

      damn you're good! teach me mate

    • @christophertrossj6492
      @christophertrossj6492 6 ปีที่แล้ว

      Pravin Pandey I'd tell you to sub but I'm too busy shedding the light of clever comedy to post anything of interest...except If you type my name in the search bar, you could see a barely viewed video of me doing some pretty sweet gymnastics tricks in poor quality (due to the video being ancient, shot by a phone too old to remember) but nothing comical loL

  • @Lex_Quinn
    @Lex_Quinn 2 ปีที่แล้ว +1

    I was really struggling with polarity in my Ap course but this finally made it click, thanks! :D

  • @ionaf9
    @ionaf9 10 ปีที่แล้ว +8

    4:17 oh my god did not know this why is my chemistry teacher so bad she didn't teach us this!!!

  • @ntombiMad1
    @ntombiMad1 6 ปีที่แล้ว

    I like these. Even the speed. I prefer that you cram a lot of info into one segment than everyone else who takes forever to get to the point.

  • @jwills1349
    @jwills1349 8 ปีที่แล้ว +3

    Thanks Hank, you're a saviour

  • @jameskrec9091
    @jameskrec9091 8 ปีที่แล้ว

    i think the speed of how u talk is fine, it helped alot and im pretty sure now the info in my brain is covalent, and i wont be forgetting anytime soon

  • @meowymeow950
    @meowymeow950 8 ปีที่แล้ว +189

    i'm paying attention but you're too fast

    • @henryjiang9664
      @henryjiang9664 8 ปีที่แล้ว +11

      Morry Dorry Do you understand that this is a "Crash Course" for a reason.

    • @eriklindstrom499
      @eriklindstrom499 8 ปีที่แล้ว +1

      Just press ¨k¨ every now and then

    • @mazisilas7974
      @mazisilas7974 8 ปีที่แล้ว +4

      It's called crash course lol

    • @OcleyGroup
      @OcleyGroup 8 ปีที่แล้ว +4

      then you can set the speed to 0.5

    • @mcflurryhazel3595
      @mcflurryhazel3595 8 ปีที่แล้ว +2

      how? lol!

  • @PicklesAndThings
    @PicklesAndThings 6 ปีที่แล้ว +1

    my teacher assigned another polarity video for my class to watch on our snow day and I almost cried because it was so confusing but then I saw this video and it just made my day so much better, thank you

  • @axlito666
    @axlito666 8 ปีที่แล้ว +4

    min 9:54 thanks for watching... if you were paying attention... I think he knew people were more focused on the animation than what he was saying... Lmao

  • @abefaerber7994
    @abefaerber7994 4 ปีที่แล้ว

    One of the fascinating characteristics of humanity is our willingness to cheer for a particular team. If you can pick sides for your favorite type of molecular bond, you can pick sides for ANYTHING.

  • @randygodi432
    @randygodi432 4 ปีที่แล้ว +6

    It's called a crash course for a reason: it's not slow

  • @chrisvisser-fee2631
    @chrisvisser-fee2631 11 หลายเดือนก่อน +1

    I am having the strongest Deja Vu, and realised I watched this a decade ago back in High School. Same dude a decade apart, still the first guy I go to for basic science to be explained in an understandable way.

  • @destinedgaming8184
    @destinedgaming8184 9 ปีที่แล้ว +18

    put speed to 0.5 and got to 0:58 it is the funniest thing ever

    • @annay6931
      @annay6931 6 ปีที่แล้ว

      Destined Gaming 1:09 is the funniest

  • @myreaghetti
    @myreaghetti 2 หลายเดือนก่อน +2

    the niall horan part dates this video lmao

  • @alytodd
    @alytodd หลายเดือนก่อน +3

    watching this after liam payne died sent me into a spiral in my chemistry class

  • @Kissmehauss
    @Kissmehauss ปีที่แล้ว +1

    This is so wonderfully and clearly explained. Thank you.

  • @TheMotherOfBambi
    @TheMotherOfBambi 9 ปีที่แล้ว +5

    oh god who else has a chemistrt quiz/exam tomorrow and who else doesn't understand anything about this
    It's really sad that i recognize this video from before my chem final in 9th grade (im in 11th grade now)

  • @devonzimmers7681
    @devonzimmers7681 5 ปีที่แล้ว

    At 1.5x speed, that intro is lit af and Hank sounds twice as nerdy lol.
    Thanks so much, you guys are awesome!

  • @ImBiebersBarbie
    @ImBiebersBarbie 10 ปีที่แล้ว +29

    i was engaged at niall horan hahahhaha

  • @joeydemarais8235
    @joeydemarais8235 5 ปีที่แล้ว

    WOW! Hank Green, You are my hero. You have brought me to places where I dont think I could have ever gone. Whenever I get to see Crash Course, It is the highlight of my day. Thank you for giving me the best experiences of my life

  • @AN-dw2kb
    @AN-dw2kb 8 ปีที่แล้ว +5

    Yo man! You information of the content it is impressive and really good HOWEVER I believe that you probably need to slow down a little because I couldn't quite get what you were saying in several moments.
    All the best, but pls not talk really fast there is loads of info lost through

  • @luvmyfriends247
    @luvmyfriends247 10 ปีที่แล้ว

    This helpped me so much and wasnt a boring video that I would fall asleep watching. Nice! Loved it