Electron Configuration - Basic introduction
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- เผยแพร่เมื่อ 26 ก.ย. 2024
- This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configuration of transition metal ions.
Electron Configuration of Ions: • Electron Configuration...
Noble Gas Notation:
• Electron Configuration...
Electron Configuration Exceptions:
• Electron Configuration...
How To Identify The Element:
• Electron Configuration...
Intro to Quantum Numbers:
• Quantum Numbers
__________________________________
Orbitals & Atomic Energy Levels:
• Orbitals, Atomic Energ...
Maximum Number of Electrons:
• How To Determine The M...
Paramagnetic & Diamagnetic Elements:
• Paramagnetic & Diamagn...
Aufbau's Principle & Hund's Rule:
• Aufbau's Principle, Hu...
Valence Electrons & Periodic Table:
• Valence Electrons and ...
_____________________________________
Effective Nuclear Charge:
• How To Calculate The E...
Quantum Numbers - Mega Review:
• Quantum Numbers - n, l...
Quantum Numbers - Practice Test:
• Orbitals, Quantum Numb...
Lewis Structures Super Review:
• Lewis Structures, Intr...
Hybridization of Atomic Orbitals:
• Hybridization of Atomi...
Molecular Orbital Theory:
• Molecular Orbital Theo...
______________________________________
Final Exams and Video Playlists:
www.video-tuto...
Final Exams and Video Playlists: www.video-tutor.net/
Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
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It’s in 20 min and I didn’t know how to do it until watching this vid
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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!
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!
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.
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
@@janellespivey2238 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.
That’s not electron configuration. That’s modelling an atom. For some reason I easily learned the half arrow thing haha.
thats called the aufba principle
That's orbital notation
ARE YOU SERIOUS THIS IS WHAT MY PROFESSOR WAS TRYING TO EXPLAIN. WHAT! WHAT. THIS GUY TOOK 2 MINUTES AND I GOT IT.
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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Just one minute (or more) into this video, I could understand the concept immediately! It took me hours to understand my lecturer but this video just summarize it... Thanks a lot ✨
ikr so true😯😯😯same here
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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.
Arigato ugozaimashita
@@markjimenez6656 bruh i really pity you dude, why'd you use a translator and also its arigatou gozaimashita :)
I didn't I tried to sound out the hiragana cuz I'm learning you pittier
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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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Thank you thank you My teacher took an hour long class I couldn't understand a damn thing I come here and listen for 2 minutes and realise how easy it is
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My teacher has a whole quarter to teach this but students still don't get it. If I show them this video . They would definitely not hate chemistry anymore.
I still don’t get it 💀
Same
Just add the small numbers and always start with 1s² until it sums up to the atomic number of the element
U have to follow the order btw. (So u gotta memorize/familiarize urself w it)
so for example u gotta get the electron config of OXYGEN,
the atomic number of it is 8 so we gotta add those lil numbers till it sums up to 8.
we start w 1s² and follow the order like in the video, so:
Oxygen/O²=
1s² 2s² 2p⁴
Try it urself, add them small numbers and see if u got 8. If u got 8 it means this electron config is right.
So remember to not add the whole number or the big numbers and u don't gotta do anything w the letters beside them. just the exponents or small numbers on the top right.
Remember u can change the small number like in oxygen's electron configuration, it was 2p⁴ instead of 2p⁶.
We changed it to 2p⁴ BCS if u zont u won't get the sum of 8. So again follow the order. Starts with 1s² until it sums up to whatever atomic number. Usually the atomic number is given so all u gotta do is add.
Another thing to remember. You can only CHANGE the small numbers ONCE and it's supposed to be changed in the LAST. u can't JS change the small number to whatever number u want to make things faster.
U gotta follow the order of it till it sums up to the atomic number:
1s² 2s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ and so on.
Another ex: Find the electron configuration of potassium
We gotta get the atomic number first. so JS get the periodic table or if u have it memorized that's fine too. So the atomic number of potassium is 19. Now we can start adding and find the electron configuration:
1s²
2s² 2p⁶
3s² 3p⁶ 3d¹
See how we changed the small number of the last one? 3d¹ instead of 3d¹⁰.
u can change the last one to whatever number just don't go over the original number in the actual electron config
So if ur last is 2s² you can change it to 2s¹ only. If ur last is 2p⁶ u can change it to 2p¹, 2p², 2p³, 2p⁴, 2p⁵ only. U can't just go 2p⁹⁹.Follow the chart of the electron configuration.
So the S are =2 max
The P are =6 max
The D's are =10 max
The F's are= 14 max
If ur gonna change the small number make sure u don't go over these numbers. I hope this helped cuz I lit wrote this for idek how long 💩
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@@op.kuraiiyou replied to a 2yrs ago comment😭 btw this helped me, thank you :)
@@farzaah_1665 lmaoo i didnt even notice b4😭 also thank u too that u found my comment helpful and ofc ur welcome 😝
Feel free 2 Ask me anything abt electron config if u have any questionssss
Thanks, really helped me. Even if its long, its clear and understandable. @@op.kuraii
paying for my classes when i got to this damn subject it took me a long time just to figure out what was what (was still confused btw. had to go back and re-read stuff). i come on to youtube. look it up find this guy, and he solves all my problems within a minute.... i thank you. so SO very much.
I almost dropped my class 10 minutes ago. THANK YOU FOR THIS EXPLANATION THAT ACTUALLY MAKES SENSE TO A MATH BRAIN!! You legitimately kept my degree on track. 🙌
when dealing with Fe +2, why move from 3p to 4s instead of continuing from 3p to 3d?
th-cam.com/video/j-nh-U8bhJ8/w-d-xo.html
It's a diagonal movement
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??
5:29 why did he use 4s instead of 3D??? Please answer me ASAP because I have a quiz in a few hours 😭
KPOPUNBOXER how did the quiz go?
Aidan Simmers got a full mark and passed it was pretty easy
Yo I’m wondering the same thing
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Today I had a Science test at school and there was one question about electron configuration, but my teacher hasn't even taught me this at school ;-; So now I have to go discover it myself... Thank you for the video!
best video i’ve found so far
update- i got a 100% on the test, first time that’s ever happened in chem.
Why do we skip the D orbital for Fe (iron) 5:12
This really helped for my chemistry thank you so much❤❤ i hope you will continue to post more educational and easy to learn videos like this💖❤❤
Legends watching one day before exam
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Meanwhile tomorrow I'm writing a physics and chemistry test 😥
How did it go?
Bad
@@rnr7113 aww better luck next time
Hello miriku and everyone
This subject literally confused the life out of me. This is by far the best and clearest video I’ve seen. It is actually a very simple topic.
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@5:53 why do you skip the 3d subshell?
Mohkie Whoops
I was wondering the same thing.. can you answer this for me? :D lol
Because you have to remove the electrons from the highest energy level first which is 4s then if needed from the 3d subshell
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.
@@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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