GCSE Chemistry - Electron Arrangement #8

[@imfernokstar]

someone get this man a nobel peace award for being the best chem teacher on the internet

[@samalway9954]

not just chem, bio and phy too give the man 3

[@jellyfishfei]

@@samalway9954 & mathhh!! 4!

[@fathimaafsna]

frrrr

[@bluee128]

bruh this channel is literally the best thing ever

[@rafaelfreitas8446]

It’s saving my life

[@ericyi1437]

@@rafaelfreitas8446 same

[@hannahgwendollyn2365]

I know, right?

[@RohanSingh-bm7ir]

For real.

[@skyeholland9181]

ligit no shit best thing

[@georgie7518]

you're saving my chemistry gcse - thank you from the bottom of my heart

[@s7ksu]

broo i feel exactly the same in yr10 when i picked triple i had a bad teacher who nobody understood. this year i got a better one but we missed out on a lot of content, so we're done with it but weak in many areas. this guy is such a legend he fit perfectly into my revision schedule

[@BenZ_AMGF1-44]

same here @@s7ksu

[@runyararokusena6226]

did you pass

[@georgie7518]

@@runyararokusena6226 yep i got a seven

[@Ghazi_Al_Tamimi]

my teacher takes 15-20 minutes to explain it and you explain it in 6 minutes and your explanation is better, thank you

[@sooaunii]

frrrrrrr

[@tansuathongkpm-guru4141]

The presentation is eye-pleasing, ideas are put in proper order enabling clear understanding. A++++ for the calm and soothing voice and speed of speech. Best presentation I have seen . Thank you so much for sharing this . May I know, is this video done using a special apps ?

[@cameronowen6587]

what app is it moe

[@burcu3444]

i wonder if you are half turkish cause your name "tan suat" is a name used by turkish people too

[@RM-iy6ho]

@@burcu3444nigga no one cares

[@joyceogunsakin456]

😊

[@anomighasivakumaran1031]

I got a chemistry test tomorrow and your video honestly helped

[@anomighasivakumaran1031]

@Cognito thanks

[@white_out]

I too have a chemistry test in 2 days. Wish me luck 🍀

[@yxngahmed3]

I got one in 20 mins 💀

[@Toplfcfan1]

Frrrrrrrr your videos are literally so helpful and informative you’re my favvv

[@imagine9616]

best explanation i've found so far, thanks for the great work! i absolutely love your channel man!

[@Cognitoedu]

Thanks Sakib!

[@فلسطينفيالقمة]

cuz of u i got 9s in triple science ur a legend man keep up the good work

[@strawberrymoon893]

aint no way, rlly??

[@maherischlong]

great job mate!!

[@joyceogunsakin456]

Cool😮

[@bibliophile187]

I'm doing my GCSEs this year, and your videos are so useful, I always recommend them to others for revision and in order to understand topics that may be hard. Thank you so much.

[@karlprice6093]

I'm currently studying this at OU. I have been struggling to wrap my head around this as I never studied this in my high school days. These videos have so far helped me gain the base knowledge that I have needed to understand the more in-depth learning at a university level. Thank you for making these videos!

[@Cognitoedu]

Thanks Karl, it's great to hear you're finding them useful 🤩

[@Fatimaurl]

Best videos for chemistry revision, thanks

[@Cognitoedu]

Hi Fatima! Thanks for the support - really happy you’re finding the videos useful 🥳

[@sadhnagulbangash2072]

Its soo helpful, my chemistry teacher thinks we all know stuff so he doesn't really go through it as detailed as you are, tysm

[@spionicp1871]

helped me a ton , keep up the good work man!

[@kazimali914]

I am watching your videos to revise and make notes for chemistry , physics , biology, and maths . thanks alot and i appreciate your hardwork may god bless you 😇

[@madhuniveditha1144]

Thank for this video, needed it for a last minute revision

[@blekblok9417]

OMG NO WONDER PEOPLE KEPT LOOKING AT THE PERIODIC TABLE ON THE WALL WHEN WE DID THIS FINALLYYY I GET IT NOW. LIFE SAVERRR

[@Pro_5tar]

THANKS YOU SO MUCH SIR!! I WAS REALLY HAVING PROBLEM WITH THESE STABLE AND UNSTABLE ATOMS

[@raidakhan3593]

These Chem videos are just what I needed

[@Itachi-hz8mo]

This channel saves my life constantly

[@DeadlyShampoo]

Nice Info in this vid!

[@80knaj9]

So helpful love your voice

[@yairthuralinn6534]

This channel is life saver😭 Tysmmmmmm for these valuable videos🥹🙏🏻

[@jadejenkins6100]

Thank you! I wasn’t in my science lesson and the teacher sent this to help. You explained it really clearly so thank you, I appreciate it! 😊

[@ranganasandamali]

my mock test is in 25 more days , my ols are in 3 more months AND i suck and chemistry but you have made me understood these lessons so well and i really appreciate it! thank you so much you are literally saving my future

[@bilal.6123]

hows the grades

[@darknessX._.]

Bro is frfr no cap lowkey the best chem teacher thnx for helping u prob have level 10 gyat with skibidi rizz

[@dat_amazing]

I felt soo stupid when all my mates could do this but not me. This video was honestly more helpful than my teacher! 😂

[@FrostyDevill]

Parents: paying 20k to school Their kids: i don't understand Cognito: i will do that for free Best teacher, you teah better than teachers in the school

[@notcool_Vro]

I learn so much watching your videos!! I really appreciate this channel smm

[@hhea4513]

I ACTUALLY UNDERSTOOD IT IM SO HAPPY RN

[@Amnaalfadil]

The best teacher idk why we go to school while we have you bro❤

[@R-rr1]

Because you it's structured and certifies you really studied

[@legoideasbykys8820]

Amazing video I love it but would like to point out that the element fluorine in the video at about 6:08 is spelt incorrectly. but don't get me wrong I love your videos and they are very helpful.

[@mahammadkentar3714]

i fialed my mocks then i decided to watch videos instead of memorizing and now i achieved a grade 8 in chemistry thanks to u

[@Missy.master13]

im learning more from you in one morning than in a couple lessons for my science EoY

[@Missy.master13]

nvm are school had to be evacuated because of a fire/ smoke hazard

[@talamohd2066]

I don’t know what to say but u r the best ❤❤❤❤❤ it’s not interesting to learn physics, biology and chemistry but with you I think all these subjects are way more interesting ❤❤❤. I just writing this comment to thank u. Hope u like my comment.

[@wizardlight2605]

This video is really helpful Thank you

[@nextgeneration6898]

When I'm stuck I always come to this channel

[@noir4222]

I loveeeeee this channel

[@sudanrijal1446]

you are the best gcse Teacher.

[@AyeshaAhmed-x5u]

amazing videos keep up the good work :)

[@naziaejaz1447]

My exam is tomorrow you saved me

[@nerdyboi2000]

are orbitals the same as shells? im in year 7 so pls make the explanation simple

[@zombiebotnet343]

I can finally understand my chemistry homework :)

[@aestheticqueen1481]

You explain things so easily, thank you so much!!!

[@Selfimprovementaddict]

Thank you so much you saved my life. but I heard that the 4th shell holds up to 18 or 32 electrons not 8

[@julievelgi1891]

Yes isn't is this order: 2,8,18?

[@FrostyDevill]

that's true, but for igsce be study the 3rd shell contains 8 electrons.@@julievelgi1891

[@emperordedede7243]

best revision channel hands down

[@Cognitoedu]

Thankyou emperor dedede 🙌

[@nerdyboi2000]

what about free science lessons

[@yrev28]

Amazing videos! The videos explain all the topics clearly and in simple language

[@rix_1723]

thx so much, all the other vids where too complicated. Great vid

[@Cognitoedu]

Glad we could simplify it for you 😊

[@maryambiodun5888]

Thanks so much bro, this really helped me..

[@boofang10]

WELL-EXPLAINED !! Definitely useful for my students to have a good understanding of this section on Electronic Structure or Electronic Configuration !! 👍🏻👍🏻

[@AzzzZZ01]

so if we're asked to draw the atomic structure of an element, we'll draw its stable ion rather than the natural unstable atom?

[@JoshuaLokz]

3:26 need draw a circle for the nucleus or can just write the chemical symbol of the element

[@lololelol6768]

That 's what he did

[@JustMalik-nj6yu]

Thx for this! This really helps me

[@aishayassin6917]

ur literally the best i tell uuuu

[@shijo41526]

There is a mistake. The mistake is that the number at the bottom in 0:38 is the mass number, that is 11 and not atomic number. The atomic number is the number above that is 23.

[@CottonTreeTales]

Just to clarify and clear up any misconceptions - the video is correct. "Atomic number" = number of protons. "Mass number" = protons + neutrons. The mass number of an element will always be larger than its atomic number.

[@legoideasbykys8820]

yes that is correct @@CottonTreeTales

[@user-l1z]

bro this was the best thing ive ever watched. thank u sm wtf

[@UmarTopg-gz5yw]

Amazing bro 🎉

[@sadiaramzan2059]

Props to you for saving me life !

[@MohamedAshraf-fo9zi]

Thanks for the help dude 🤝

[@skdi6]

thanks bro i have a test on atomic structure and now i understand it luv g

[@betronboy441]

thanks cognito, very cool

[@mananvarma9758]

I just learned something new

[@citrous]

fortnite fortnite

[@mikewazowskigaming3029]

Good for you!

[@zaarifhossaini6467]

your videos are really helping me, i'm planning on taking chem this oct and i have no previous experience

[@fay7751]

We have the same last name my name is Farhad Hossaini

[@zaarifhossaini6467]

@@fay7751 woah. You're the first person that I've seen with the same surname as me :)

[@fay7751]

@@zaarifhossaini6467 same here:) are you from Afghanistan by any chance

[@zaarifhossaini6467]

@@fay7751 Bangladesh

[@fay7751]

@@zaarifhossaini6467 thats nice im from Afghanistan

[@nataliesbookreviews1164]

At 4:26, you said that calcium would have to lose the two electrons on the outside (so the fourth shell) but doesn't the electron structure of shells go as follows: 2,8,8,2 so why would it have to lose two atoms because isn't the fourth shell maximum 2 electrons? Hope you see this and apologies if I'm wrong!

[@Cognitoedu]

Hi Natalie, thanks for that! 2, 8, 8, 2 is just the electron structure of calcium itself, the 4th shell can hold more electrons though, and so calcium’s is incomplete. You only learn up to calcium though for GCSE because it gets complicated after that - so your teacher may have meant that 2,8,8,2 is as high as you need to learn :)

[@SB-jf7sw]

Thank you

[@gayathrimanoj91]

THANK YOU SOO SO MUCH! It helps alot

[@marvinvalentin8960]

Its a great tutorial video. Thanks to this. Can you also prepare a lecture that describes Direct Interspecies Electron Transfer (DIET).

[@julip_bear8408]

thank you sm

[@shayanhasan2254]

Does the amount of electrons needed to fill the outermost shell differ between elements ?

[@PrecoolSkillz]

yea... it depends on the amount of electrons in the atoms outer most shells

[@harry_bleakley9955]

Very helpful, thank you!

[@Isabella187.6]

Thankuuuu this was really helpful 💜

[@Cognitoedu]

You’re welcome 😊

[@aishwaryaaniraj6031]

Thank you so much for these vids, they really help me understand this even though I'm in year 8

[@buligavasile1246]

Why did I hear that the 3rd shell supports up to 18? How many e do 4th and 5th shells support? Thank you

[@kds1929]

the third shell donnt take 18 . it only goes up to 8 from the 2nd upwards.

[@Cognitoedu]

Hi, yeah when you do A-Level it gets a bit more complicated and they cover that sort of stuff. But at GCSE it’s just 2 in the first shell, 8 in the second and 8 in third.

[@anahcra9682]

Thanks 🥺🍭

[@naqueeashraf1644]

Please continue and if you can start a series not keeping in eye the exams and just explaining reasons behind everything...

[@julievelgi1891]

Yes I'm not saying you are wrong I need someones option on what this is as I have proved that the shells configuration is not 2,8,8, is is 2,8,18,32 for some reason is this right can anyone explain?

[@whenwaswhen8218]

What? The max an outer shell that can be is 8 as far I know off, this is pretty much the basic fundamental under 4 shells,

[@luckymetoooilchange5635]

He is an angel 😇😇

[@8swick256]

can third shell also hold 18 electrons im so confused about it

[@Cognitoedu]

Heya - at GCSE you're just meant to know that the 3rd shell can hold 8 (so 2 in the 1st shell, 8 in the 2nd, and 8 in the 3rd). But you are correct, at A-level you learn more details and see that the 3rd shell can actually hold 18 electrons. Hope that helps :)

[@8swick256]

@@Cognitoedu Plus im a student of GCSE 5070 chemistry so can i watch your lectures

[@oscarhicks]

Super rad vid!

[@Cognitoedu]

Thanks Navy really appreciate it - good luck with all your work!

[@legitgamer1833]

This seriously helped me alot I lost so many points last exam because of this and now we have mocks so I will get full because of this video.

[@legitgamer1833]

@Cognito thanks alot

[@Cognitoedu]

Best of luck with your mocks!

[@R-rr1]

@@legitgamer1833 did you get it?

[@Namish-su7wp]

1:10 Atomic number

[@colewalker2916]

Why in the calcium electron arrangement did you just remove 2 electrons ? You can’t just remove electrons

[@RandomFacts-g5j]

Wait isn’t the 3rd (m) shell supposed to hold 18 electrons

[@creativethings9133]

Nope, only 8

[@ketki_nadhe11]

that's at a level

[@Sophiecraw1]

thanks this helped so much!

[@MarkCW]

Great videos. But why is atomic mass18.9 for the flourine (F) atom and not 19 (10 neutrons + 9 protons), rounded up from 18.998403 u ?

[@moa7651]

i heard the 4th shell only hols 2 outer shells? @Cognito

[@ademboss795]

Thank u for video I would have failed my test 🙏

[@madeleinej6048]

I just learnt this but say you are doing the diagram for sodium, it’s in group one, this means that it will have 1 electron in its outer shell. Another example is oxygen, it’s in group six meaning it will have 6 electrons in the outer shell. Was it just me who found this out? I only just learnt it from my chemistry teacher

[@vwd6887]

THUS US AMAZING THANK U SO MUCHCHHCH

[@janethvirandeth5569]

What app are u using for animarions?

[@obi-wankenobi8985]

He’s using Microsoft animarions it’s very good

[@janethvirandeth5569]

@@obi-wankenobi8985 hehe, just noticed my spelling error.

[@ޏ.ރ]

Hi I'm confused about the 2 8 8 2 rule about arranging electrons, can you please tell me something about this? I didn't see you mention it in the video but my teacher talked about it and still confused 🙏 hope you see this and many thanks!

[@Cognitoedu]

Hi there, for GCSE level you just need to remember that the first shell can hold 2 electrons, the second shell can hold 8, and the third shell can hold 8 electrons as well. The 4th shell can hold more than 2, but you won't go any higher than that so you don't need to know about it at GCSE :) Hope that helps

[@ޏ.ރ]

@@Cognitoedu ah I see. Thank you! Do UK gcse supply us with the periodic table at the back of test papers or do we have to memorize the mass numbers and symbols? I'm starting Year 10 if this information makes things any clearer. Also just wanted to say great channel! I'll be binge watching hope my questions won't bother you, I might be commenting a lot from now...

[@ޏ.ރ]

​@@Cognitoedu sorry for the bother but in case you missed the comment on the Math "How to Convert Recurring Decimals to Fractions (Proportions Part 6/6)" I asked something about recurring decimals but I made an edit to it and the comment disappeared but please help! Thanks so much for the great lectures!!

[@JustMalik-nj6yu]

@@ޏ.ރ gcse exams do supply u with a periodic table :)

[@majoras_swag]

So that means how reactive a certain element is?

[@ys1r]

Thanks

[@DWN061]

bro is that have any video about crystal structure,HCP,FCC,Bcc

[@kennethha8173]

So , if they ask us the electron structure of calcium , do we put 2,8,8 or 2,8,8,2

[@Cognitoedu]

Hi, you shouldn't get asked up to that level in GCSE, as they only go up to Argon, but for calcium would be 2,8,8,2 :)

[@kennethha8173]

Oops I meant argon

[@Cognitoedu]

Ah, yeah Argon would be 2, 8, 8

[@kennethha8173]

Ty

[@abubakardejwani5762]

amazing

[@penelopekristan5860]

How is a neutral charge represented?

[@Sk8st0p]

i have a question b'cuz my chemistry teacher told me that the 3rd shell can holdup to 18 electrons, so which version is correct????

[@muhammedaiman3474]

tanks

[@kirstyfinch2582]

Great videos - I recommend to all my students. BUT spelling of fluorine is wrong!!

[@obi-wankenobi8985]

Plippity plopity I now have ligma

[@supertrinigamer]

Jake