GCSE Chemistry - Differences Between Compounds, Molecules & Mixtures #3

[@nathanr5737]

I just wanted to say I’ve recently started watching these videos and they are insanely helpful, especially when revising.

[@Cognitoedu]

Hey Rhianna thanks for the lovely comment - really happy to hear it! Good luck with all your work! :)

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@@ryan452 they changed their name since the comment

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I agree, they're great for revising topic you've not learned due to sickness and you have exams on science

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Thanks so much - really appreciate your support!

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[@LearningwithMemories]

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[@Zero1._]

How much of the science content do u know

[@prod.bychop]

same

[@AdachiGamin]

Thank you for these videos. I've got my Chemistry GCSE tomorrow, and our main teacher left ages ago, so we've been stuck with cover teachers since November. These videos have really helped me keep up. Thank you.

[@Wrennityy]

we're both in the same boat. good luck in your gcses!!!!

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I'm russian, and found this videos more understandable than my textbooks. Wish me luck in passing my chemistry exam

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tahnks so much i litreally stress this question everyday you made it possible for ,e to understand

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Thanks so much really helpful to revise and to take notes. Really simplified which really helps.

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Hi , thanks a lot for all this information that you put in the videos , last year I submitted a biology and I passed in it , all I did was prepare for the exam by studing your videos . Thank you for the helpt that you provide us in the simplest way .

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Is there any chance this is out of date? Or has the syllabus not really changed?

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my whole class watched your video in school on the screen by our teacher . thanks for making good videos that actually help everyone not just get views.

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Thank you so much! U have saved me! U making diagrams and using a visual reference really helps me what it actually looks like. You also speak in good pace so its easy to understand

[@Cognitoedu]

Glad it helped Gerishimo!

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can i use these videos for igcse?

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I'm using them for IGCSE. Check your textbook and see if it follows it.

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[@Cognitoedu]

Great to hear you enjoyed it 🙏

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[@coldchickennoodles5575]

Can elements also be compounds? for example, can oxygen be both a compound and element? I don't really get how all these relate to each other but also differ.

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omds your saving me you explain it so clearly! do you reckon you would ever do past exam paper walk throughs? as there are some for maths but cant find any for sciences

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anyone here because their teacher assigned it as work?

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[@Mira-yo6fw]

Why don't the atoms in a mixture bond? ty

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[@Cognitoedu]

You're welcome! Thanks for sharing :)

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Tried to understand this thing for 3hrs when reading a book, after watching vid understood it in 5min, thank u sm

[@ryanviljoen9615]

thx so much for making these they are great for revision

[@Cognitoedu]

Thanks Ryan, we hope the revision goes well 🤞

[@Hanan-xl9km]

Thank you Cognito! This video was rlly helpful but can you explain why sodium chloride isn't a molecule? I'm still a bit confused.

[@ValyderBB]

I think it’s because a molecule are 2 or more atoms of the SAME ELEMENT held together by chemical bonds

[@Hanan-xl9km]

@@ValyderBB Thank you but a molecule can be diff. elements held together by chemical bonds. He said it at the beginning e.g. carbon dioxide contains carbon and oxygen which are diff. elements but they still count as a molecule and a compound. But thank you for helping! :)

[@ValyderBB]

@@Hanan-xl9km oh rightt, I'm still getting to grips with chemistry and stuff 😅

[@Hanan-xl9km]

@@ValyderBB that's ok :) at least you know now

[@kikipanteli7132]

do you reckon you would ever do past exam paper walk throughs?

[@kither9109]

It does help to understand what is the difference between compounds and mixture, thanks a lot!

[@infernoyt555]

You just saved my life... My science exam is tomorrow and i FINALLY learned this

[@Cognitoedu]

Great to hear that Comic Mania, good luck tomorrow!

[@ixcomp4166]

thanks its very helpful

[@dharmgajjar6898]

So does that mean that any substance that is a compound will also be a molecule? Or are carbon dioxide and water just exceptions?

[@Joel-wv8bf]

i think that water and co2 are componds as molecules are atoms and water itself is ot atom

[@mahreenjain2198]

i have a doubt that how can we identify what is a molecule and what is a compound? pls pls pls reply as i ve an exam tom

[@accessnft1702]

Molecules - two or more atoms that are chemically bonded (could be the same elements or different elements Compound - two or more DIFFERENT ELEMENTS the are chemically bonded Now (all compounds are molecules… but not all molecules are compounds ) Eg. Water is molecule and compound… but oxygen (O2) is a molecule but not a compound (Hopefully this helps)

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I am year eight having to watch a gcse video wtf

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I would like to ask a question… anyone plzz answer me… So I’ll be giving IGCSE exams in May June 2022, so can these videos be used for that? The title says GCSE… so is there a difference in the course? Or ccan I watch these videos for my igcse exams too? Plz answer thankss

[@bomlxes6118]

i have one question, so is water a compound or a molecule?? thanks

[@accessnft1702]

Both It’s a molecule and compound

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ty this is good stuff

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very helpful thx!!!!

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This video is so informative and will be useful for my tests and i got the full marks in my chemistry test for this video thanks to this channel maker

[@Cognitoedu]

Well done Ifza that's awesome 🥳 glad we could help!

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What will make ur videos even better is if u had a few questions at the end other then that it’s amazinggggg

[@Cognitoedu]

We'll keep that in mind, thanks Aqsa!

[@marriam9274]

i have a doubt, o2 is also one atom but it doubles to form a molecule then why cant a helium atom double to form a molecule ? pls explain i have an exam

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Helium is a noble gas, it has 8 electrons in its outer most shell... it cannot react with any other atom/element

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@@PrecoolSkillz exactly right! :)

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[@hamzasherasmat6593]

Use GIRLS for the sodium chloride structure G=Giant I=Ionic R=Regular L=Lattice S=Structure

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Quick question: What is the reason that the substances don't react with each other? Like what stops them from doing so?

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because some substances have different melting and boiling point than others which makes them a mixture without being chemically bonded

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kzbin.info/www/bejne/o5Wngmitap56r7c Mixtures

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2:02

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super helpful ,especially when revising any thing you dont understand

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I have a chemistry test today I hope i can do it lol

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Hello, Cognito. are you guys going to do A levels, it would be really helpful if you did. Thank you.

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I am in year 9 merapi in highfields

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these videos are amazing !!

[@Cognitoedu]

Thankyou fatima 😊

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this comes in clutch b4 finals always

[@xml_rblx9576]

wait isnt water a mixtue then?

[@xml_rblx9576]

nvm

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Yeah!!

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your deserve 10 million subs#

[@Drippyboii111]

hi thanks again

[@Drippyboii111]

and again

[@Drippyboii111]

and again

[@Drippyboii111]

and again

[@Drippyboii111]

and again