GCSE Chemistry - Modern Periodic Table #9

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GCSE Chemistry - Modern Periodic Table #9

Рет қаралды 505,233

Күн бұрын

Learn who made the periodic table, why he arranged the elements this way and about the important groups you need to know.

Пікірлер: 192

@Cognitoedu 2 жыл бұрын

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

@lisamilne8621 5 жыл бұрын

i cant believe this channel is so small!

@Cognitoedu 5 жыл бұрын

Haha thanks Lisa! Hopefully with a bit of time we can grow a bit 🌱

@croc7525 4 жыл бұрын

yeah tbh

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@@Cognitoedu it's because they're *incognito*

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I can

@raidosman932 3 жыл бұрын

Thats help me

@theirtears 3 жыл бұрын

THIS CHANNEL IS SO UNDERRATED! we need to sign a petition and get them to the point they deserve!! thank you for everything!!!

@Cognitoedu 3 жыл бұрын

Ah thanks so much Mahnoor, we really appreciate it 🤩

@abuhurairahhussain8355 10 ай бұрын

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@awabb9107 4 жыл бұрын

your channel is truly terrific!! it's a life saver and it needs to get bigger!!

@Cognitoedu 4 жыл бұрын

Thanks so much for the kind support! Hopefully we’ll get there with a bit of time 🥳

@rubyreadal6607 3 жыл бұрын

it has

@amina5684 3 жыл бұрын

lol

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@chrisgarrett7669 Жыл бұрын

Excellent - clear and concise. Packs in a huge amount of information without overwhelming. I can't believe how good this is. Thank you.

@M00n432 Жыл бұрын

Every time i have and exam or a test i just go to your channel and learn from there. Your truly a lifesaver!

@Cognitoedu Жыл бұрын

Happy to help!

@78luls Жыл бұрын

my chemistry gcse is in 2 days. this 76 video playlist is saving me ily

@Eliaocolypse 6 ай бұрын

hope you did well!

@geohimself7199 3 жыл бұрын

your a genius this is copy paste of my notes in school idk how you do it and everything i need to know you shortened into 5 minutes you are truly a genius

@itsasecret9569 3 жыл бұрын

i use this channel for cramming night before exam and it works. props to cognito

@vsimonsam 8 ай бұрын

It helps me on my exams a lot. I cant believe this channel is this small

@Obaid-Ur-Rahman342 8 ай бұрын

your the main reason I got a A* in Igcse chemistry .

@allishbamiano7638 3 ай бұрын

Do you have any tips for paper 4? Please do tell if you got some tips, I have an exam next week it'll be alot of help 😭

@Obaid-Ur-Rahman342 3 ай бұрын

@@allishbamiano7638 Yeah. I solved a lot of practice papers. The examiners are lazy and they will usually give you repeated questions or similar questions. If you do topicals you can see that they only ask a few types of questions per chapter. If you don't understand it's too late to break the concepts down. I would recommend that you memorize the mark Scheme points if you do not understand any question. The same also applies to Biology.

@Obaid-Ur-Rahman342 3 ай бұрын

@allishbamiano7638 3 ай бұрын

@@Obaid-Ur-Rahman342 THANKYOU for the tips!!

@ruweida5432 Жыл бұрын

This channel deserves millions of subscribers

@gamingpizza9999 3 жыл бұрын

You deserve so many more subscribers. This is great, easy to understand, and very helpful.

@Cognitoedu 3 жыл бұрын

Thank you very much Gaming Pizza, we really appreciate it 😊

@Bellxia Жыл бұрын

You deserve at least 1M subscribers.

@sanasajjad3505 8 ай бұрын

BROOO I SWEAR TMRW I HAV MY MID TERM EXAM FOR SCI IN 8TH GRADE AND THW WHOLE YEAR I DIDN'T UNDERSTAND A THING BUT NOW EVERYTHING MAKES SENSE I LOVEEEEEE THIS CHANNEL THANK U SOOO MUCH COGNITOOOO❤❤❤❤

@fizzahrai5051 9 ай бұрын

Every single chem paper i top is thanks to this channel.💓

@user-sq9wj5zm9v 9 ай бұрын

thanks although this video has been 4 years ago its actually very helpful for me thank you so much and keep going your videos actually helped me alot through my IGCSES

@asfiyazainab2184 Жыл бұрын

your explanation is absolutely amazing! so clear and concise!!! your channel is seriously sooo underrated, more people should be watching your videos!! im totally gonna recommended this channel to others!

@clarefreeman478 3 жыл бұрын

this has litteraly taught me so mutch this channel mus have s 5/5 stars :)

@chathurangaranadatta9647 5 ай бұрын

I had already given up on chemistry but this video explained something in 5 mins my teacher couldn't in 1 hour of an extremely complicated explanation... I don't know why no one is talking about this channel seriously thank youu!!!

@stevebaileyuk 5 ай бұрын

Like every person who has commented - Congratulations, and thank you for concise, relevant and well taught material - I hope you continue to produce more well put together material in whatever sphere you find yourself able to impart. Excellent.

@Gacha_x_Misty Жыл бұрын

I have such a huge passion in science, and although I am only in year 9, I still learn. U don’t know how much this channel has helped me, honestly. I owe at least a quarter of my future work to u ❤ Thankyou Cognito!!

@amanmukhtar9867 6 ай бұрын

My mother was not at home and one day before my chemistry exam I got to know it was the chemistry exam I thought it was math exam. This man helped me study my whole syllabus in 3 hours. Love ya cognito!!!♡

@susanfell472 3 жыл бұрын

Another absolutely excellent explanation: clear, concise and non-patronising. Best I've seen.

@azariagames9987 Жыл бұрын

I've missed a lot of school due to my negligence so this is super helpful!

@Mika-vt8mm Жыл бұрын

Me too ✊

@andrewmwape3809 2 жыл бұрын

How are you guys so underated your videos the best on KZfaq and soo easy to understand!!!

@muahmmed2008._. 6 ай бұрын

watching that 1 night before exam😂

@Strangers7816 4 ай бұрын

Literally me now

@Hle_hle. 3 ай бұрын

Watch this the morning of the exam 😭🧍🏽‍♀️

@zarookansar6792 2 ай бұрын

😂

@Charquiix 2 ай бұрын

Sameeee

@jeshal7165 3 жыл бұрын

Thanks! I passed my exam with full marks because of your videos. You're a life saver! Keep up the good work!

@Cognitoedu 3 жыл бұрын

That's great to hear Captain, well done 🥳

@Fareeda212 3 жыл бұрын

These videos help me so much, do any of u guys have good revision study tips please? ❤️

@evie4427 3 жыл бұрын

The cornel method Revision cards Hexagonal thinking Revision clock

@Fareeda212 3 жыл бұрын

@@evie4427 thanks!

@evie4427 3 жыл бұрын

Your welcome ❤️

@idogbovictor7149 2 жыл бұрын

This channel is highly recommended to even babies, great work

@sun3mk 3 жыл бұрын

THE BEST CHANNEL EVER ISTG!!!!!!

@Cognitoedu 3 жыл бұрын

Yay 🤩 thanks Cyrus

@Supremebrawler07 3 ай бұрын

Muslims were the first to work with elements and they invented soap and distillation processes whihc relates i guess

@mohamadrasheed5350 3 ай бұрын

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@AliKayani-ng6qt 3 ай бұрын

Bayshak

@muhammadaarif9894 3 ай бұрын

Yeah yr right

@IDONTHAVEANYNAMES 2 ай бұрын

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@shadyinstrumentals4904 3 жыл бұрын

I am seriously disappointed that the level of subs is not worth the level of content- you Deserve More!

@buligavasile1246 4 жыл бұрын

Please continue bro, you're doing the best job, i promise you're channel will grow if you keep working

@niranwashere1087 Жыл бұрын

You are saving me from failing my GCSE’s Istg 🙌

@ARYANSHARMA-qi8kq 2 жыл бұрын

Hi Cognito I love your channel it has taught me more than I could ever ask for but I'm struggling with memorising the atomic mass. Do you have any tips for me?

@gaiacooper5 2 жыл бұрын

hello Cognito! I love your videos and your website, however, may I ask some questions? 1. firstly, why is hydrogen not in a group? 2. secondly, when is the maths revision going to go up on your website? Thank you so much; your website and videos have made my science grades go up!

@threebody596 2 жыл бұрын

1 is because it does not share the properties of group 1 metals

@gaiacooper5 2 жыл бұрын

@@threebody596 yeah, so why isn't it in the non-metals? Hydrogen's a gas, right? It has one electron but has the properties of non-metals. and yet, anything with one electron in its outer shell is in group 1

@threebody596 2 жыл бұрын

@@gaiacooper5 all other things in grouo 1 are metals Hydrogen isnt You cannot put it in the non metals because they have different outrr shell numbers I would suggest researching how the periodic table works

@gaiacooper5 2 жыл бұрын

@@threebody596 I know how it works! I just struggle to understand anything that doesn't fit a pattern. And Hydrogen doesn't fit the periodic table pattern.

@catnoirmendes2423 4 жыл бұрын

u should really look into putting closed captions so its easier to take note:)) awesome vid tho hon x

@atlantic6960 3 жыл бұрын

just turn on subtitles

@martinfautley5002 3 жыл бұрын

click the three dots and press open transcript

@cyclonz382 2 жыл бұрын

Binging these videos, have a science mock tomorrow

@asmajavedali2969 3 жыл бұрын

This is nice video and very fanatical

@jeianimates 7 ай бұрын

THANK. YOU.

@JustADuckStealingSomeBread 4 ай бұрын

Thank you so much, guess who's getting Cognito today!

@gireeshaarora3508 2 жыл бұрын

Hey (I love this channel btw) Just noticed that the person said atomic number is electrons and protons, im ge=uessing it was a mistake cuz atomic mass number is total number of protons and neutrons

@TheJoshtheboss 2 жыл бұрын

Top quality as usual!

@minsozigowases3468 Жыл бұрын

Amazing bro

@raghadnadeem9309 5 ай бұрын

best channel

@Hanan-xl9km 3 жыл бұрын

Cognito just to point out you've made a mistake with the transition metals... Sc, Y, La, Ac, Zn, Cd, Hg and Cn are also transition metals. We would rlly appreciate it if you could remake this video with the correct information cause it's going to confuse a lot of students.

@Cognitoedu 3 жыл бұрын

Hello, those actually aren't transition metals, they're just d-block elements. It's a common mistake to put them as transition metals, but transition metals must have at least 1 ion with a partially filled d sub-shell.

@rutv1kmun1r4j4 Жыл бұрын

Guys the number of electrons in the outer shell is called the valency. ◽

@sturm7130 10 ай бұрын

Great video series. But I am confused. The periodic table we are using has different Group numbers. Ours has 18 Groups, 1 to 18, left to right. Same in Australian curriculum texts and wikipedia. Please explain ?

@amareshhirey3213 10 ай бұрын

Periodic tables with 18 groups also count the transition metal as having group numbers. It is weird though.

@BerryAveDays 14 күн бұрын

why on earth are our lessons at school so long when cognito literally teaches us the same exact thing in 5 minutes

@epikfarder8990 3 жыл бұрын

i have an issue where the subscribe button is grey and it says SUBSCRIBED instead of SUBSCRIBE

@The_arab_cat Жыл бұрын

Great video as usual

@aza3840 4 жыл бұрын

my teacher had an accident and emailed us this and I understand every thing

@hibakouzi4544 2 жыл бұрын

Best video for studying

@kiddouchiha2649 3 жыл бұрын

This explain a lot....Chemistry igcse book is hard for me to read because to many of words which confuse me and thanks for this I understand a lot of thing😀👍❤💛🧡💜🖤❣️

@kanwardeepsingh5576 5 жыл бұрын

Good For Study...

@Krndjdkendnjd Жыл бұрын

IM A BIG FAN I LOVE CHEMISTRY

@prithilmania1718 Жыл бұрын

SUCH A TERRIFIC JOB< YOU DO AT EXPLAINING, but you are so UNDERATTED

@mrstanu2011 3 жыл бұрын

If I am not wrong Mendeleev arranged based on atomic mass not Atomic number as mentioned in the video. Later a Britisher amended it according to Atomic number. Pls check

@torymonarchist 3 жыл бұрын

Yes you're right it was a British chemist named Henry Moseley

@Ishita3634 6 күн бұрын

1:33 very good 1:43 and 2:54

@saeyi8961 2 жыл бұрын

I always come back before every chemistry exam :p

@mohamadalhalabi397 3 жыл бұрын

4:46 there's a mistake, transition metals accommodate zinc(Zn), Silver(Ag), just wanted to let you know, other than that, you're helping me like hell!

@airhorn8898 3 жыл бұрын

bro Magnesium is an alkali metal. The whole point of transition metals is that they have high melting points and don't react a lot, whereas alkaline metals are vigorous and have a low melting point.

@spkhazel 2 жыл бұрын

Ikr- and i think instead, they left out Zn, Cd and Hg for transition metals cuz theyre in the middle area

@AshBasalt 2 жыл бұрын

It's either 3 hours of constant book revision or a 6 minute video.

@nusaibamahbub1965 Жыл бұрын

Guys do you take personal tution students pls?

@zaijah 3 жыл бұрын

Which element is in group 18 ,period 1???

@user-dt1ks8vf6i 2 жыл бұрын

your vids are so helpful thx!

@snowbunny00 2 жыл бұрын

Thank You For This video.. it got me good marks in the test!! and always helps me.. Thank You So Much!!

@peterpater1000 3 жыл бұрын

Can you please do a video on ionic equation......it will really help

@ydxlta7543 3 жыл бұрын

Got my chemistry mock tomorrow and im just mass watching important topics

@kayls1701 3 жыл бұрын

do we have to know about the history of the periodic table for our exam?

@martinfautley5002 3 жыл бұрын

i honestly dont know because all exams might be different, but (as an example) look at the AQA run through videos/revision tips and see if its on it (or whatever marking scheme you use)

@arnav.k9650 3 жыл бұрын

how can there be views only in thousands

@weethajoseph8492 2 жыл бұрын

Your channel helped

@PinkiYuiki 3 жыл бұрын

Thanks that helps me in balancing the equation TvT I hope your channel grow more Because it's very helpful I understand many things from it but it's the first time to me to leave a comment UvU

@spkhazel 2 жыл бұрын

The periodic table shown in the video was left out by a whole row of elements.. Theres still Rf, Db, Sg and more .,. thats why the zigzag line doesnt reach the corner And u left some more elements for transition metals😶

@gabby93817 Жыл бұрын

i wish they gave us periodic table in csec 🙂

@dominikgallagher8079 2 жыл бұрын

4:51 Is Zinc to mercury not transition metals? 95 is this just an error?

@quickfox5446 3 ай бұрын

Why are the numbers on the elements in your periodic table flipped? Very misleading.

@andrewmonson9872 Жыл бұрын

ive subscribed too yoouu!

@scythee7444 Жыл бұрын

Nice vid

@rijaalikhan7287 4 жыл бұрын

You’re gonna save my grade I swear

@bigsmallbrain4054 9 ай бұрын

i love

@summergold465 2 жыл бұрын

I thought the mass number is the bottom number?

@arnav.k9650 3 жыл бұрын

which software do you use

@Gumball9386 Жыл бұрын

i watch like 2 vids of you eveyday bc of school, i wanna kms

@sdw.berserk 2 жыл бұрын

Who got this for their homework

@Sololad 2 жыл бұрын

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