Basically, it defined terms, this is a run down of what they do: 1) Aufbau Principle: says that electrons fill orbitals lowest available energy levels in an atom's ground state. 2): Pauli Exclusion Principle: No 2 electrons can have the same 4 quantum numbers. 3) Hund's Rule: Electrons fill orbitals one by one before filling energy levels in pairs. They fill level with opposite spins.
You've been of aid since I was in senior high school, man. Now that I'm in college, you're still helping me. God bless you, my good sir. Keep spreading that juicy knowledge :)
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Professor Organic Chemistry Tutor, thank you for a short explanation of Aufbau's Principle, Hund's Rule and Pauli's Exclusion Principle and how it relates to Orbital Diagrams, Electron Configuration/Quantum Numbers in AP/General Chemistry. Each Rule/Principle increases my understanding of Energy Levels, Orbitals and Quantum Numbers in Modern Chemistry. This is an error free video/lecture on RUclips TV with the Organic Chemistry Tutor.
Reading about Hund's Rule in Steins;Gate made me feel so confused. Thanks to your visuals and explanation I kinda got an idea of the principle though. Thanks a lot. :)
Friedrich Hund and Wolfgang Pauli were physicists. "Aufbau" is the German word for "build-up". It's therefore not "Aufbau's principle". It is the "Aufbau-principle".
For those who still don’t get it.. here’s what I understood.. Aufbau suggests that you should fill the levels up two at a time(that is until their full) before going to the next one While.. Hund suggests you do it one at a time And Pauli just wants to let you know that the electrons can’t have the same quantum numbers Which seems unrelated to what A and H were discussing in my opinion Hope this helps.
So how is Ml used? The other 3 uniquely define an electron in your model. Actually no, they don't, there are 3 electrons in 2p with up spin. So Ml differentiates between them then?
What I don’t understand is the overlapping, like so all the electrons in the 2p are always in the sphere of 2s, so like how does that work And like so is 2s the whole sphere or is it a large sphere with a small sphere cut out of inside it, like will electrons in the 2s enter the space of 1s? Like do I imagine a small tennis ball inside a basketball, and so will electrons in the 2s ever enter the tennis ball or are they gonna be just inside the volume of basketball but minus the small tennis ball inside??
This video makes so much sense, I'm completely baffled that my chemistry book decided to introduce these principles in the opposite order-?? This is so much more logical?
Why did I saw on google bunch illustrate you can also fill the orbitals with single down arrow first. Is that right? Also why does it have to be upward first? (if the first thing I mentioned is wrong)
✋ he didn't even discussed a single bit of the lesson, he just gave us the material to study And then the next thing we know is that we will be having a quiz tomorrow
Quantum Numbers - Free Formula Sheet: bit.ly/3XTLoVY
Chapter 7 - Video Lessons: www.video-tutor.net/atomic-structure.html
Basically, it defined terms, this is a run down of what they do:
1) Aufbau Principle: says that electrons fill orbitals lowest available energy levels in an atom's ground state.
2): Pauli Exclusion Principle: No 2 electrons can have the same 4 quantum numbers.
3) Hund's Rule: Electrons fill orbitals one by one before filling energy levels in pairs. They fill level with opposite spins.
I love your explanation. very simple and straight forward.
Thanks mate
thanks bruh
muchas gracias
To anyone studying this a good way to remember hunds rule is “single before you mingle”
You've been of aid since I was in senior high school, man. Now that I'm in college, you're still helping me. God bless you, my good sir. Keep spreading that juicy knowledge :)
JUICY
Now that you're in college ... Can I ask whether you have aids lmao (get the joke?)
still helping you?
@@kg7111 all I have are professional subjects for pre-medicine right now and out of this channel's scope, so sadly he's not helping me now lol
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I've never looked up a question I've had for school that you don't have a video for. Very much appreciated man your videos are very clear and very helpful!
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You just can't imagine how much your videos help me, your explanation is so coherent and easy to understand, you are really the best, thank you a lot. ❤
When our online classes still feels like modular.
other that that, keep it up! this is very informative and under an hour to say the least, thank you!
I was sick today so missed class, bro out here saving lives
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The goat’s 5 minute video explained it better than my teacher talking for an hour and a half
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OMG, this was like the easiest way to ever explain the 3 things. Thanks a lot!
Your are completely better than any biochemistry on this planet. You make feel ease I swear thanks alot. The best one is the one who is useful to the people specially on their needs. You motivated me towards my medical career mybe one day I will meet you. I love yur attitude and teaching
If can help much I could appreciate coz when someone does little for and you appreciate he or she may feel to help you more.yu can help me with links of biochemistry anatomy physiology and more thanks alot .willing positive on your kindness
Thanks again
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Professor Organic Chemistry Tutor, thank you for a short explanation of Aufbau's Principle, Hund's Rule and Pauli's Exclusion Principle and how it relates to Orbital Diagrams, Electron Configuration/Quantum Numbers in AP/General Chemistry. Each Rule/Principle increases my understanding of Energy Levels, Orbitals and Quantum Numbers in Modern Chemistry. This is an error free video/lecture on RUclips TV with the Organic Chemistry Tutor.
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i finally understand after a year of not understanding
Reading about Hund's Rule in Steins;Gate made me feel so confused. Thanks to your visuals and explanation I kinda got an idea of the principle though. Thanks a lot. :)
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PewDiePie reference?
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Hi i am twelve years and I didn't knw the Aufbau principle but while watching ur vedio I understand it✔
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In which class are you and in which country
The last minute is vastly more complicated than the start
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This helps me a lot . Thank you 😭
Friedrich Hund and Wolfgang Pauli were physicists. "Aufbau" is the German word for "build-up". It's therefore not "Aufbau's principle". It is the "Aufbau-principle".
Thank you, I'm so ready for my exam !
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Had taken long to understand bh thanks❤
I think I might be stupid cause I still don’t get it 😭
You're not stupid, you just need more time.
Take a break and go through it again.
Calm down and don't get scared
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@@lynland2985 You're welcome man. Do you understand it now??
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No worries. I was having hard time so u are not alone.
thank you
How calculate the amount of energy in [eV] for each suborbital and its orbital? For example to compute the energy of Carbon?
For those who still don’t get it.. here’s what I understood..
Aufbau suggests that you should fill the levels up two at a time(that is until their full) before going to the next one
While..
Hund suggests you do it one at a time
And
Pauli just wants to let you know that the electrons can’t have the same quantum numbers
Which seems unrelated to what A and H were discussing in my opinion
Hope this helps.
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Loved it....💝from JEEian......
IIT ?
So how is Ml used? The other 3 uniquely define an electron in your model. Actually no, they don't, there are 3 electrons in 2p with up spin. So Ml differentiates between them then?
So helpful 👍
3:28 Pauli's exclusion principle...
what is parallel spins of electrons ?
Thank you so much.....😁😄
What I don’t understand is the overlapping, like so all the electrons in the 2p are always in the sphere of 2s, so like how does that work
And like so is 2s the whole sphere or is it a large sphere with a small sphere cut out of inside it, like will electrons in the 2s enter the space of 1s?
Like do I imagine a small tennis ball inside a basketball, and so will electrons in the 2s ever enter the tennis ball or are they gonna be just inside the volume of basketball but minus the small tennis ball inside??
thank you so much another video interesting onemore😊
This was good thanks
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i literally love you
Mark Walhberg is such a good chem teacher
Is this guy's name Mark Walhberg?
@@ayeshamashiatisstudying no dude it's a joke
thank you sir
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Thank you❤️
Dr. Aufbau is my 2nd favorite chemist, right after Dr. BrINClHOF.
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This video makes so much sense, I'm completely baffled that my chemistry book decided to introduce these principles in the opposite order-?? This is so much more logical?
Thank you so much u helped me a lot
2:02 why are unpaired electrons more stable than paired electrons? I thought it was the other way around.
cus theres repulsion between same charges thats why unpaired are more stable than paired
@@iblameaira i think that only applies to electrons that are bonding atoms
Dude, u r rock
What is Mendalung's rule?
About the arrow, do we draw it half or full ?
Hajer Khalid it doesnt matter
Full arrows because we are dealing with electrons not radicals
Thank you!
Excellent
Can you also explain (n+l) rule?
I still don’t understand hunds rules?? how do you know that those electrons are degenerative or whatever
So basically, all the principles come up to the same thing.
Chemistry is just a giant annoying cycle
@@datboi1861 very true
Why did I saw on google bunch illustrate you can also fill the orbitals with single down arrow first. Is that right? Also why does it have to be upward first? (if the first thing I mentioned is wrong)
yes you can fill orbital with down or up arrow
who else is here because their chem teacher explains basically nothing?
🤚😭
✋ he didn't even discussed a single bit of the lesson, he just gave us the material to study And then the next thing we know is that we will be having a quiz tomorrow
doing the lords work
You are a life saver.
Name of the black board software?
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Sir you spoke something wrong.
'l' is not magnetic quantum number, it's azimuthal.
Listen properly, he corrected it and it can also be called Agular Quantum Number
Oh I'm sorry!
Why aufbau principle also called as building up principle?
Because "Aufbau" is German and means "Build-up"
Thanks
Thanks 🇵🇬
thank you sir for this lesson
Electrons practice social distancing 😆
It's been 4 years, do you still don't get it?