Electronegativity | Atomic structure and properties | AP Chemistry

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Electronegativity | Atomic structure and properties | AP Chemistry | Khan Academy

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Күн бұрын

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Electronegativity is a measure of an atom's ability to attract shared electrons to itself. On the periodic table, electronegativity generally increases as you move from left to right across a period and decreases as you move down a group. As a result, the most electronegative elements are found on the top right of the periodic table, while the least electronegative elements are found on the bottom left.
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Пікірлер: 172

@vedant4576 6 жыл бұрын

when you learn more in a 10 min vid than a whole semester worth of work ............

@miltonhoward1770 5 жыл бұрын

Vedant Subramanian on god

@shelbyo8838 5 жыл бұрын

Oh yeah yeah

@jay24s15 4 жыл бұрын

My teacher is so useless

@megakangaroo5665 4 жыл бұрын

@Cheewe Tell that to my 8th science teacher who gave us all hands on activities and actually taught us unlike a lot of teachers.

@tapasmazumdar 4 жыл бұрын

SourLem0n you shouldn’t say what if someone else says that about your parents

@hahahitskelsey 7 жыл бұрын

This video helped so much. My teacher sucked at explaining it! Thanks dude!

@ahmadjutt5910 3 жыл бұрын

Really...

@fiqo4479 4 жыл бұрын

Thanks i missed some classes and suddenly i didnt know ehat was going on this realy helped and made it easy to understand

@hongkongsmartboy 4 жыл бұрын

Electronegativity (Withdraw a electron in Molecular state): F > O > N > Cl Electron Affinity (Withdraw a electron in Atomic state): Cl > F > Br > I

@mehuljain1991 4 жыл бұрын

It is more like F>O>N=Cl

@hongkongsmartboy 4 жыл бұрын

Mehul Jain Tiebreaker, N> Cl due to smaller atomic size

@ThrEEleggedFilipino 8 жыл бұрын

If you wrote textbooks.....

@Neel-ff4mn 7 жыл бұрын

It would be an e-book, with pictures translated via spectrogram.

@guddabuggle7858 3 ай бұрын

they'd be endorsed by the British education system

@MasterZiomekPL 5 жыл бұрын

Would you like a job in Ireland? My boring Chemistry teacher would love to be anywhere else.

@DaesungMars 7 жыл бұрын

god i hate chemistry

@TheBetito123 7 жыл бұрын

I hate chemistry but love physics

@srimanmasanam6997 7 жыл бұрын

more than physics chemistry easy bro

@srimanmasanam6997 7 жыл бұрын

the explanation is confusing that's it . this concept is easy

@ishaanmanu7274 7 жыл бұрын

Daesung Mars because you are a fool

@selena-lo2vc 4 жыл бұрын

Ishaan Manu chill out mahn

@celibaganesan1083 4 жыл бұрын

Wowwwww.....great explanation..... Tq so much for the video

@chissstardestroyer 2 жыл бұрын

Well, about the periodic table: you would be getting more electronegative as you go towards your right while looking at the table facing properly; with the exception of the noble gases: those guys are perfectly balanced about electrons and protons as a rule.

@marcusrossen7142 2 жыл бұрын

thanks man, really helped

@schizophrenicarguing1365 8 жыл бұрын

This video couldn't have been any better. Thanks!

@kgamesekoto7221 5 жыл бұрын

You are the best. Thank you very much. May the good Lord Bless you 🙏

@daHorseLovr 10 жыл бұрын

Because noble gases are just happy! haha! Thanks this helps a lot for AP Chem!

@imaazillyas1122 7 жыл бұрын

just shut up

@Me-hu9br 4 жыл бұрын

@@imaazillyas1122 f u 2

@lizg6389 8 жыл бұрын

Thank you, this video was very helpful :)

@claudiaperretta6249 3 жыл бұрын

Thank you! You're the best!

@tanishkulkarni7958 3 жыл бұрын

thank you sir for such a goof explanation straight and easy to understand than textbooks!

@isurieshani3719 3 жыл бұрын

Thanks ❤️❤️❤️

@BOGObiology 7 жыл бұрын

WHERE WAS THIS WHEN I WAS AN UNDERGRAD?!?

@finnbladehd 6 жыл бұрын

Maybe your context was kinda outdated.

@wajihasaif7393 7 жыл бұрын

I never understood the group trends but now I do thanks to you

@thebeesknees3518 7 жыл бұрын

Thank you so much for this video. I have a chem test in two days about all the periodic trends and I missed one day due to being ill so i missed this lesson. I heard my teacher explain it a bit but I couldnt fully understand. This helped so much!

@chissstardestroyer 2 жыл бұрын

So, Mr. Khan; astronomy *is* in fact a good and functional lens for atomic chemistry in that the further away an electron is from its nucleus the more likely it is to be snatched away, whereas this is similar to planets and stars- but it is a *very* limited analogy.

@NurseShelly88 10 жыл бұрын

Thank you so much! Your videos are always super helpful!

@amrobay152 2 жыл бұрын

this Video is one of the best videos i EVER seen among all scientific disciplines , WOOOOW

@2ndwednesday 6 жыл бұрын

Fantastic video, thank you!

@anonymousliar2661 9 жыл бұрын

thanks im currently revising chemistry and came across the definition of electronegativity but didnt understand it but i have now thanks to this video big thumbs up 👌

@chissstardestroyer 2 жыл бұрын

Well, electrons would be zipping all over the place around the nucleus of the atom in three-dimensions, so it would be seen as a blur; why wouldn't it? They'd be moving incredibly fast and are very miniscule, and atoms are almost entirely empty space to begin with.

@tamaraterherst6794 4 жыл бұрын

How do you know the value of the electronegativity?? So you can know if a molecule is polar or no polar

@flow4458 3 жыл бұрын

Look at the trends! They are right almost every time. Also, you can see them in most periodic tables!

@guddabuggle7858 3 ай бұрын

If a molecule has lone pairs of electrons, it's polar. Otherwise it's non-polar. In water, oxygen has 2 pairs of lone electrons, and so it is classified as polar.

@abishekaseneviratne1036 8 жыл бұрын

thank you very much helped me understand these easily! keep up the good work

@randomgirl5596 7 жыл бұрын

This video really helped me, thank you !

@snapdr4g0nz 3 жыл бұрын

Thanks, love you Sal.

@clairenime Жыл бұрын

this helped. Now I understand why that is more electronegative going up.

@yellowtree9350 7 жыл бұрын

Wow thanks for the great video. Bless your soul

@firstnamelastname9918 11 күн бұрын

3:47 "electrons are in this kind of blur [...]" i.e., Heisenberg's Uncertainty Principle and the probability cloud of where they can be found at any given moment. The probability cloud can be calculated as a wave form with the de Broglie wavelength, I think? Great video, thank you!

@Antropovich 10 жыл бұрын

So this is why the column of 1A from Soduim to Cesium is so reactive. And that Cesium practically explodes when you throw it in water.

@william42279 9 жыл бұрын

Antropovich You should see francium when you throw it in water

@Hemant_Gupta 7 жыл бұрын

u r my fav khan. TY FOR MAKING VIDEOS SO GOOD.😁👌

@Aizannn 7 жыл бұрын

dude i thought i nevr cd undrstand these..but u made me do it in a jiffy

@vrushaliramila7421 5 жыл бұрын

How old are you

@originalname680 4 жыл бұрын

Vrushali Ramila shut up vvvvv

@ruata1719 7 жыл бұрын

very very clear. thank you sir

@jadeponder8923 8 жыл бұрын

Great video! Thank you so much :)

@alexx4761 6 жыл бұрын

Thanks so much for your videos - your explanations are well constructed, paced and they're mentally accessible. I really appreciate all you've done in the past years!

@reginetolones1401 3 жыл бұрын

What is the Electronegativity value of Iodine gas?

@arshiatalebi3217 3 жыл бұрын

Its 2.5, the electronegativity also decreases going down group 17

@myagrimm4719 2 жыл бұрын

This helped me so much, thank you!!

@Emilynn-rose123 10 жыл бұрын

great refresher.... AWESOME JOB!!! ....

@AeraxFX 6 жыл бұрын

The one concept that my teacher didn't explain well. Thanks!

@roman20353 8 жыл бұрын

Nicely explained sir. Thank you!

@kek3539 8 жыл бұрын

Cool edit on the profile pic, bruh.

@roman20353 8 жыл бұрын

+LeChat Noir its no edit its legit mate #legit #saynotosteriods #hardwork

@marcoscarballal5407 8 жыл бұрын

Thank you so much!

@burhan5217 10 жыл бұрын

Do have to repeat what you write like a gazillion time. Btw amazing videos got me through my exams.

@ace_stealth251ace9 6 жыл бұрын

Burhanuddin Salim lmao

@thanumanohar5565 7 жыл бұрын

most helpful study chanel

@kovesh8979 4 жыл бұрын

This is like a life lesson. Love it.

@shineydspo3833 2 жыл бұрын

Thanks

@29no 7 жыл бұрын

thanx for explaining the trend of electronegativity,thanx a lot again

@vennesajanet9545 3 жыл бұрын

Definitely passing my pharmacy cat after watching this

@cboisandlin9601 3 жыл бұрын

me not paying attention to this video tha I am watching because I wasn't paying attention in class... I'm probably gonna fail chemistry

@MARIO88400 8 жыл бұрын

thanks ! excellent explanation !

@juansanchez4892 8 жыл бұрын

Thanks!

@susanh2523 5 жыл бұрын

this is very helpful God bless Khan Academy

@eminn_ 2 жыл бұрын

thanks

@jebgarcia8009 5 жыл бұрын

Awesome

@bjornbuckley 2 жыл бұрын

Is it possible to make a noble gas more reactive by bombarding it with radiation such as alpha particles or positrons? My reasoning is that the mentioned forms of radiation could rip valence electrons away from the noble gases, turning them into ions. Is this a valid idea?

@jonbovi-69 6 жыл бұрын

I don't regret subcribing to your channel.

@chissstardestroyer 2 жыл бұрын

So, this really means that these atoms positive charge is being measured, the greater the electronegativity present the more the positive charge thereof.

@hongkongsmartboy 4 жыл бұрын

Which is more electronegative, N or Cl?

@tanishkulkarni7958 3 жыл бұрын

@anoopmanakkalath Жыл бұрын

N. In NCl3, the computer modellings show the negative charges are residing on the N atom. Even carbon bears a negative charge in CCl4.

@kiara4345 5 жыл бұрын

It is cool when your first language is spanish and you are studing chemistry in english

@sophiasander6026 6 жыл бұрын

Just wondering where in the video you talk about Electron Affinity?

@sammobiswas8554 8 жыл бұрын

like this very much.

@infomotive_007 7 жыл бұрын

thanx for making chemistry easy

@chissstardestroyer 2 жыл бұрын

So, what we really should think of measuring in this is the quantity of protons and the closeness of the protons and the electrons above all, eh?

@masumbiswas7846 7 жыл бұрын

The distance of 'N' and 'Br' is same from 'F'..So this, are their electronegativities same??

@GioBaf 4 жыл бұрын

the one that is higher up which is N

@hongkongsmartboy 4 жыл бұрын

masum biswas F > O > N > Cl > Br

@softshellturtle5873 6 жыл бұрын

What exactly is the formula

@jerrinmathewgeorge4186 5 жыл бұрын

Why does hydrogen stick close next to other hydrogen

@taskeentori9883 6 жыл бұрын

Thank you sooooooooooooomuch.

@user-Ityrirz Жыл бұрын

9:38 what some people might be looking for

@jeromeadona4393 2 жыл бұрын

because they're just happy😀

@evelinherrera2073 6 жыл бұрын

THANK YOU

@MEGALecture 6 жыл бұрын

For more chemistry lectures of A'Level and O'Level visit : www.fahadsacademy.com

@debralynnpaxton5238 10 жыл бұрын

Cool presentation :D

@jybhenri263 7 жыл бұрын

Noble gases are very happy.

@tianganghuang3809 7 жыл бұрын

why is this video in two times for the SAT Chem Subj playlist?

@mashedpotatus2017 6 жыл бұрын

Hey you used the Lewis dot structure :)

@billyedmoore 4 жыл бұрын

Legend

@renewilly3659 7 жыл бұрын

How does Na have 1 electron in it's outer shell if the atomic # is 11? Isn't it supposed to have 11 electrons since protons and electrons are supposed to be balanced?

@SoundOfDaFunk 6 жыл бұрын

Rene Willy Lol you find out valence electrons by group number not by atomic number

@guddabuggle7858 3 ай бұрын

my guy, sodium has more than one shell. it has 2 in the first shell, 8 in the second, and 1 in the outer shell. they add up to 11.

@ayaandanish 8 жыл бұрын

Thanks a lot man u r a proper legend! Keep doing what you do coz u r getting through my freakin O' Levels! xDD

@dionapril9631 6 жыл бұрын

Ayaan Danish I got through mine with these videos.... Now working towards my AS with them again

@veeralsolanki9901 6 жыл бұрын

But which atom is more electronegative? Carbon or phosphorus?????

@vidittiwari8482 4 жыл бұрын

Late response but phosphorus

@kalpak7368 10 жыл бұрын

i prefer video black background

@rushikeshdeshmukh983 9 жыл бұрын

awsome

@renewilly3659 7 жыл бұрын

I don't understand why h2o has 6 valence electrons.... Like what the hell? And how does Li have a .98 electronegativity?

@anah6500 2 жыл бұрын

Why is there not translation for Indonesian? And i hope someday there will be a translation for Indonesian.

@whyjamz7152 6 жыл бұрын

How am I supposed to remember this... my test isn’t open note

@amarprem9188 6 жыл бұрын

aren't there any exceptions

@peacheramerika 7 жыл бұрын

thank you! peace out!i know oxygen for sures is highest electronegativity ! cool I was oxygen for my Halloween costume. I loved oxygen and now I love it even more! I understand that going down row 1 sublevel as you get to sublevel two , three, four etc the electronegativity gets less. The least amount of electrons a element has it is more likely to give away an electron . the elements that are closest to completing their octet will want to gain take from other elements to have a full octet. cool beans

@fatinafiqah2547 8 жыл бұрын

Should cut off the unecessary explanation. Other than that everything is good :)

@BrainBuzzer 7 жыл бұрын

Extra knowledge never hurts :)

@imaazillyas1122 7 жыл бұрын

it always hurts

@creatingexperiments1008 6 жыл бұрын

8 likes for everyone-fight!

@ionasfinser1429 6 жыл бұрын

doesnt oxygen have 8 electrons...

@SoundOfDaFunk 6 жыл бұрын

Ionas Finser Lol?

@seanmiddleton2575 2 жыл бұрын

Exactly! Where’s the other 2 electrons?

@sabrinashultz9123 9 жыл бұрын

Can someone summarize this video in 4-5 sentences??

@Bonkbonk100 7 жыл бұрын

No.

@atulj5155 7 жыл бұрын

elements which are closer to inert gases are most electro-negative. boom.

@vishalfaujdar5481 6 жыл бұрын

Have some modern style periodic table looks old

@comicbest2662 4 жыл бұрын

White page.. 😑

@mpvlogger247 4 жыл бұрын

Nice jay hind🇮🇳🇮🇳

@pokerangerblue5084 2 жыл бұрын

0:08 ayo 💀💀💀

@furyjaguar8034 2 жыл бұрын

Yeah close lmao

@nesrinebaatchia7827 4 жыл бұрын

💜💜💜💜

@chissstardestroyer 2 жыл бұрын

That's of course as a general rule, but there're serious flaws: He can be more electronegive than Li, given how many electrons each one has and how short they may be in electrons in their environment... so like a lot in chemistry, it stands as iffy. And it *ought* for if all electrons had been filled into atoms and all atoms had the balanced amount of electrons, then really very few chemical reactions could possibly happen. In short, it is partly due to the imbalance between electrons and protons that chemistry works the way it does.

@MrRaylorscheider 8 жыл бұрын

What I don't like about these videos is the guy repeats himself way too many times, so much I forget what his point of explanation is. Like just shut up and right it out, stop sounding out everything you write lol.

@srimanmasanam6997 7 жыл бұрын

right I agreee

@maxf.3594 6 жыл бұрын

then go somewhere else brah

@matinhussain3131 6 жыл бұрын

i prefer it it cuz its like he is kinda stressing the point so it sticks more into my head but we are all different lol but i do agree he should write everything out.

@AbdurRahman-mv4vz 6 жыл бұрын

Some people might be a little slow, they may not be as smart as you. So be patient and let everyone learn.

@jtadry1675 6 жыл бұрын

You do know that this guy was kind enough to create a whole comprehensive online school where people from around the world can learn for free, right? Who are you to criticize and what have you done for society? You should be grateful even if you have benefited from this video only a little. He has changed the world of online learning.