Electron Configuration - Basic introduction

[@TheOrganicChemistryTutor]

Quantum Numbers - Free Formula Sheet: bit.ly/3XTLoVY Final Exams and Video Playlists: www.video-tutor.net/ Chemistry 1 Final Exam Review: kzbin.info/www/bejne/a6raYox-bL50bcU

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Good luck on your Chemistry exam to whoever reads this.

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Cowen K. Gittens thankyou😣 it’s tomorrow btw

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Me

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I watched the first ex and got it

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thank you! I felt so discouraged and was being really hard on myself for not being able to learn this in class, but I realized that it all truly depends on the way it's taught. It makes so much more sense now, thank you!

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you are the sole reason my grades are as good as they are. you have a way of explaining things that instantly clicks in my brain. thank you for all that you do!

[@mayahyas5131]

My professor explained it using blank spaces and half up and down arrows they made it very confusing. Thank you for explaining it differently and so well.

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Same my professor uses this half up down arrows as if I know what it means. In 10th grade I understood this but Im having such hard time as a college freshman

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@@J.Alisia Yeah lol I'm in freshman chemistry and it feels like I have no idea about anything even though I swear I did something like this in highschool. It doesn't help that my teacher has a barely understandable accent and rushes through stuff then leaves early all the time lol.

[@KhOrganization]

That’s not electron configuration. That’s modelling an atom. For some reason I easily learned the half arrow thing haha.

[@sayless-]

thats called the aufba principle

[@levil7324]

That's orbital notation

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Yeah

[@MissWee]

This is the only explanation that I understood. The other explanations confused me even more! Thanks for the vid.

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Miss Wee i agree, I thought I was screeed but he made it seem so simple

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THANK YOU!! You taught me more in 10 minutes then my teacher did in three days!!

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Seriously, 3 hours in lab and nothing. This guy gives a 2 minute intro, and I can do the whole lab by myself. Teachers are really just paper graders. Why do we even need to go to class? We don't. We only need them to grade our papers. Teachers are a waste of valuable student time. I could be doing homework or working at my job getting paid with that 3 hours wasted in class.

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i swear to god you are the best chemistry teacher ever , I keep referring to your videos because I cant seem to understand anything my teacher explains. THANK YOU

[@Solbashio]

This explains electron configuration WAY better than any teacher I've seen on the internet. ありがとうございました, Organic Chemistry Tutor.

[@markjimenez6656]

Arigato ugozaimashita

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@@markjimenez6656 bruh i really pity you dude, why'd you use a translator and also its arigatou gozaimashita :)

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I didn't I tried to sound out the hiragana cuz I'm learning you pittier

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You saved my life. Thank you for cutting right to the point and leaving behind all the explanations and flowery words and blah blah blah. Thank you.

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My exam is literally next class and my teacher made this way more complicated than it really is. You are a lifesaver. God bless you.

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how did you do 👋

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@ perfect score

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Not gonna lie, I spent a good week trying to understand my teacher's notes and how to do this. When you said "Because if you add the exponents..." it all clicked and I finally understood the lesson. Thank you so much.

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thank you!!! im currently in highschool and my teacher could not explain this but now i got it!

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i just wanted to take time out of my day to say how much i appreciate this video. all the other videos have not explained anything about the configuration or just made me even more confused. that really started to stress me out. i thought to myself that i would never get this and it just wasn’t meant to be. i stumbles upon this video and i can not explain the amount of pure joy and happiness i felt after watching this video. the video is just perfect and explains everything throughly yet very simply. i would recommend this to anyone and everyone. thank you so much for helping me and many, many others understand this. thank you from the bottom of my heart ☺️💛

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I had no clue how to do electron configuration, now after this video I am understanding it to the fullest. Thank you!

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I swear chemistry teachers are such harsh people but don’t like to actually teach anything. The just say do electron configurations but don’t tell us how. Make it make sense!

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ACCURATE

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I was really confused with electron configurations earlier but this video explained it brilliantly.

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What I didnt understand in a lessons over 2 hrs, I learned in 10 minutes. Wow

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[@mariarevenikioti8127]

But wait, doesn't the 4s orbital have less energy than the 3d orbital and should therefore be filled out first? 06:24

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[@capsized3timesandcounting]

I'm probably just stupid but at 6:30 when he says how you take the two electrons from the highest energy level and he takes them from 4s, should he not be taking them from 3d? Since 3d is higher than 4s?

[@Mina_Thv1928]

That's what I thought too.. I'm confused

[@bv2662]

I imagine a Bhor model and all the 4 group electrons would be on the outermost shell, they would basically just be valence electrons so they'd be removed first even if they have lower energy.

[@juliario8832]

I was confused too but I think he meant the higher out of all the 2’s

[@leyen7210]

What if I need to remove an electron but there are two of the same energy level and they are the highest ..which one do I choose??

[@Teawithtai]

5:29 why did he use 4s instead of 3D??? Please answer me ASAP because I have a quiz in a few hours 😭

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KPOPUNBOXER how did the quiz go?

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Aidan Simmers got a full mark and passed it was pretty easy

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Yo I’m wondering the same thing

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[@memelator]

Why do we skip the D orbital for Fe (iron) 5:12

[@esethusihle2003]

when dealing with Fe +2, why move from 3p to 4s instead of continuing from 3p to 3d?

[@MrsONeal-os8wv]

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[@leno2662]

It's a diagonal movement

[@MohkieHazSquids]

@5:53 why do you skip the 3d subshell?

[@alienheadgains1977]

Mohkie Whoops

[@sharenayoung]

I was wondering the same thing.. can you answer this for me? :D lol

[@QueenCleopatra23]

Because you have to remove the electrons from the highest energy level first which is 4s then if needed from the 3d subshell

[@stevenong3308]

If you say that you need to remove the electrons from the highest energy level first then it would be from 3d then. Based on the formula of saying which has highest energy (n+l), 4s= 4+0=4, 3d=3+2=5, meaning that 4s would be the lower energy level of the two.

[@千早酱]

@@stevenong3308 According to Aufbau's Principle, as the electrons filled in 3d orbitals, the energy level of 4s increase to higher than in 3d orbital. That's why the electron should be removed from 4s orbital.

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You are indeed a talented teacher .l have struggled a lot for more than a month now but u made it simple within 10munites God bless you abundantly