atoms and molecules class9 | chapter 3 science class 9 (hindi) | CBSE | class 9 science

@NEXT CHAPTER
STRUCTURE OF ATOM • structure of atom |cla...
in this lecture i explain about the
notes pdf - drive.google.com/file/d/1k5Hk...
In this lecture i explain about-
1.atoms and molecules
2.atomic mass
3.constent proportion law
4.law of conservaton of mass
5.mole concept
6.mole concept question
#mole concept
#nextchapter
#atomsandmolecules
#green board
#class9science

[@jaiwish_trex]

sir kal poori raat aapki saari class 9 ki science ki videos binge watch karke aaj ka exam mera achhaa gaya thankyou

[@It_is_4U.]

Nice

[@bhanwarsinghrajput7543]

Great Bhai sal bhar padhne ki koi jarurat ni h 😵😵

[@manishsahu-vi7zj]

Exam k time nind nhi aaya kya

[@smartwork7991]

@@manishsahu-vi7zj exam ki time par to sub ki bhuk , nind udh jati h 😃🤣🤣🤣

[@karnikagupta6615]

@@smartwork7991 right

[@amit.9266]

Proton + neutron = atomic mass so
Al = p 13+ n 14
Atomic mass is 27 you say 26

[@cricket3006]

Itna badiya padhate ho aap
Socha nahi tha😱😱😱

[@EasySpicyFood]

Sir please mole concept thoda or detail mai samjhaa dijiye sir pleaseeeee i don't understand (MOLE CONCEPT) @Next chapter

[@pradeepdubey5662]

Thanks sir for clearing my all doubts

[@DimplePanwar7]

Very very well explained👌👌👌so much thanks

[@aditya7457]

Which class do you study in🔥🎉

[@DimplePanwar7]

@@aditya7457 actually i just see MKR videos for my help.... I don't study in any class.......i have completed my schooling

[@AjayKumar-ki9vz]

@@DimplePanwar7
You are right miss. 9th , 10th , 11th, 12th........ yehi classes jyada important hoti h.... for any exam in our life..Thank you so much for this good thoughts...

[@rajeshagrawal8721]

Sir but if you said take 4 mole or 2mole of chlorine so what we have to do

[@goyirbam5987]

But the amount should stay the same when we add salt and water!!!

[@progamerprithvi572]

But mass will be different from weight because "Mass is a constant value but wieght is different everywhere”

[@jojogaming94ff14]

Goriya hi

[@ishulkumar6704]

Thank you very much sir

[@user-ew7vs9iz1j]

What an explanation 😊......

[@kritikaprakash8217]

Pls make a separate video on Mole, avogadro no. With its numericals.

[@smartwork7991]

Yes I need it

[@progamerprithvi572]

Mee toooo i also want it

[@prahaladpatel2213]

Thank you !!

[@partialgamer9511]

Bhai koi jaruri nhi h ki atomic mass ,atomic no. ka double ho. FOR EXAMPLE_ Atomic no. of Na is 11 but atomic mass is 23

[@NEXTCHAPTER]

Already told dear

[@charanjitkaur6509]

Sir aapne valency se formula nikalna bata diya par sir charges vaala topic aapne chod diya

[@muskanrajput3982]

Ha apne sahi bola... Main bhi yahi notice Kiya... But sir ne nahi btaya...

[@nanditabahri5759]

Wonderful explanation sir 👌👌👌

[@sumitkumar-kh2nf]

Sir, 1mole is 6.022*10to the power 23

[@leveshsahu]

this is avogadro no.

[@sumitkumar-kh2nf]

Hamko Bhi pata ha.

[@deadk1864]

We already know

[@NamanSingh725]

Tomorrow is my exam i am watching all video of science today from this channel i thought i perform good in exam

[@avadhi7479]

Bro sodium ka atomic mass 23 Hota h but aapne double karne ki kaha usse 22 aarha h to ye glt hoga??

[@anime_instinct_6746]

Tq

[@Tayontaloh]

Please make a separate video on mole concept it's so tough

[@Tayontaloh]

@@nextchaptercivilengineerin9036 thankyou for this but now iam already practicing fir my class 10 term I exam😅

[@targetlearning.2726]

Thank u sir

[@bikashsarkar4876]

Sir please explain more and write all topic please🙏🙏🙏📝😊

[@tanyabhati8387]

Thanku sir y r the best

[@govindosahu9743]

Tq sir

[@UNKNOWN-kp7nn]

You are dawn underrated youtuber 👍👍

[@NEXTCHAPTER]

To fr share karo na
Or hn im not youtuber, im an educator

[@khushalbabbar3346]

Answer --- 3.011×10²² iron atoms

[@krishnapatel2894]

👍👍👍👍👍

[@soninankani825]

Please do let me know about valency and atomic mass

[@kamlachauhan4347]

Thnkuuuuuuuuuuuu

[@piyushsinghal3769]

Very good explination sir thanks you 😄

[@Kookie-ot5dt]

Sir aap ne kaha ki structure of atom ki video dekho par school mai yeh chapter aa raha hai aabhi ush chapter ko nhi padhai gya Hai taabhi jaa kar dekh lu?

[@NEXTCHAPTER]

Ya

[@kingofcubeboy1925]

Finally i explain this chapter thanks very much sir

[@sarthakbansal2137]

Thanks sir for this video

[@geeta4078]

Please solve NCERY questionsf this chapter

[@dashx76]

But I am watching this video before a night of exam 🙄 and tomorrow is my annual exam😅

[@basheers1973]

Same I am so panic about my exam😵😖😖

[@piyushhh4415]

Bhai kitne marks aye apke?

[@muskanchauhan7969]

pass ho gyee mera b monday h
ko h 🤪😂

[@avadhi7479]

Same😅

[@REELCHOR55]

Same bhai 😂

[@anukumari6093]

Thank you sir🙏

[@aditya7457]

Which class do you study in

[@kamlachauhan4347]

Ur great sir

[@ankitsinghrajput730]

Sir atoms and molecules chapter complet ho gaya ya or v rah raha ha kuch points
Or sir ya aapka video clearly samaj aa gaya thanks sir

[@jeewansinghseth3847]

20:41 sir yhaa pe Cl se Na 1 ion kyu liye 3 orbit me to 18 hone chaiye uska to orbit puraa hoo hi nhi rha h
Plz reply Karna

[@NEXTCHAPTER]

Because till 20 elements the number of electron in outermost orbit will be 8.
Exception h ye chemistry me ok

[@jeewansinghseth3847]

@@NEXTCHAPTER sir plz last question
ALUMINIUM KA ATOMIC MASS TO 27 HOGA
PAR AAP OR GOOGLE TO 26.981.... BTA RHEE HOO ESAA KYU

[@NEXTCHAPTER]

@@jeewansinghseth3847 for mass just multiplying by 2 and atomic mass only that it

[@jeewansinghseth3847]

Sir Kisi bhi atomic no. Ka double 34:32 atomic mass HOTA h kya??

[@NEXTCHAPTER]

In your class

[@tabrez-gi8rl]

Thanks sir

[@manishsahu-vi7zj]

32.59 sir mai 10 to power 23 ko pura khol k dekha tha quadrilon tak count hua lekin aage nhi kar paya calculator bhar gya poora

[@samarth7418]

Last ques ans. = 3.011×10²²

[@HimanshuSingh-pe3zr]

Thank you soo much ❤❤

[@sarthakbansal2137]

Sir you are very good teacher

[@manjutiwari7795]

You are a good teacher

[@NEXTCHAPTER]

Thanks please subscribe to our channel and support us

[@aditya7457]

Which class do you study in🎉🔥

[@priyanshusharma5336]

Sir I have doubt that in my book 1mol=6.022×10raise to power 23 so why you wrote 6.02×10raise to power 23

[@NEXTCHAPTER]

Both are same

[@priyanshusharma5336]

Ok sir

[@sumitjain264]

Great 👍👌

[@lovelyshivammotivationalst8589]

Veri nise

[@princening679]

Sir thank u abb merabetaka class lelunga Chapter 3

[@cartoonfreaked5683]

Sir 3:15 question ka answer 1100 g hoga

[@vijendra2306]

Sir apne 1 question mai mole concept mai se aluminium ka atomic number 13 bola hai phir apne use double kuy kiya 26 ???????????

[@tanmaychoudhary6702]

Sir I have a question a sample of ammonia weights 3.0g .what mass of sulphur trioxide contains the same number of molecules as are in 3.0 g ammonia

[@thakuransh7518]

👍👍👍👍👍👍👍👍👍👍👍

[@KrishanSaini-yg7gb]

Thanku so much for this😊

[@yamrajgamingturbo2670]

Please sir give underline pdf

[@sachjds9049]

Sir but atomic mass nikalne ke liye toh 2*atomic no. +1 hota hai naha

[@NEXTCHAPTER]

No only 2*AN

[@sachjds9049]

@@NEXTCHAPTERsir than 2*atomic no. +1 whose formula

[@prajapatineelu8780]

You teach very well sir👌

[@aditya7457]

Which class do you study in🔥🔥🎉

[@prajapatineelu8780]

@@aditya7457 I'm in 10th this year....

[@aditya7457]

@@prajapatineelu8780 which state

[@prajapatineelu8780]

@@aditya7457 From Punjab

[@aditya7457]

@@prajapatineelu8780 utter Pradesh 😍

[@daddysprincess9342]

Sodium - 500 gm
Chlorine - 500gm

[@JumperPranjal]

Sir please ek video mole mai bana do bahut tough hai😰😰

[@NEXTCHAPTER]

ruclips.net/video/7Q6Ts9DMEQIy/видео.html

[@hitz493]

12,747 atoms in 2.8 g of iron

[@Thar_.4x4]

But sir apne ek jagah wrong kr diye
Avagardo no =6.022 × 10 to the power 23..

[@k2sfan691]

Bro da ans is 0.301×10^23 Atoms..
Plz tell is it ryt or not..

[@aditya7457]

Which class do you study in🔥

[@yogeshrawat203]

28:35 but the mass of aluminium is 27🤔🤔🤔

[@oyintaki4366]

Sir, Avogadro no. 6.022×10²³ not 6.02×10²³

[@swetankupadhyay3758]

Sir class9 ka math ka chapter 10 kara do 🙏🏻🙏🏻 please

[@pankajkumarbhamawat2500]

na = 500gm
and
cl = 500gm

[@gujjaradhana9048]

Anyone know the passing marks out of 80?🙏

[@Imblack398]

33

[@MukeshKnowledgeEntertainment]

27

[@smartwork7991]

Sir Mera ko chapter 3 Atoms and Molecules ke all examples ke video Chaya thi

[@shatishyadav5724]

Sir aap ki science awesome hai

[@harshilgamer5737]

Thanks 😊

[@anubhavsingh4572]

Sodium - 500gm
Chlorine - 500gm

[@clashwithomi4163]

Nice Explaination

[@imozahid]

How to make video like you?
Please give me idea

[@sarthakgolus5231]

Sir reply me please kyuki oxygen ki valency to 6 hogi

[@harshnaidu784]

No, valency is the number of electron or proton that a atom can gain or lose. Oxygen can gain 2 electron or proton thats why its valency is 2. I hope you understood😊.

[@aayushsaini7535]

Good teacher sir 👍👍

[@PraveshKumar-jc7xk]

Sir Some atomic mass ki bare main deeply Nani baataya

[@dkfoodcorner6742]

bhai super

[@itsphinomina1413]

Nice way to teach

[@pushprajtiwary8533]

Sir I don't no the answer of last question please tell me answer of last question

[@swapnilsunny6385]

S chand publication

[@AnushkaSingh-xk6fy]

Aap ne syd glt btaya kuki no of atom 0.22×10ke power 23 hi hota hai

[@krishnamishra293]

Sahi kaha but nice explain

[@Lordstar_]

6.022×10 power 23

[@aditya7457]

Which class do you study in🔥🎉

[@fmrndm04]

Sir sources of energy chapter ka video banao 🙏 aapke pure channel me search kiya par nhi mila 😞 exam nazdik hai 🤯 aapke videos samajh aata hai plus aap definition easy words me likhte ho toh vo video ke sath-sath yaad hojata hai, phir screen shot leleta hun. 🙏🙏🙏

[@NEXTCHAPTER]

Sure

[@fmrndm04]

@@NEXTCHAPTER thank you Sir 😘 agr ho sake toh easy definition banaiye ga 👌

[@sanketjadhav7253]

1100 gm

[@Karan_maxi01]

अगर मैं इस वीडियो को पूरा देखें तो क्या मुझे चैप्टर पढ़ना पड़ेगा

[@NEXTCHAPTER]

1% bhi nahi

[@deadwolf129]

chutiya na kato bhai exam se pehle nahin padha ho to ek din pehele ise dekho mai bhi wahi kar raha hoon

[@Karan_maxi01]

@@deadwolf129 good luck

[@DilipKumar-ph3yn]

Is chapter mein important questions answer

[@sahil_garg6]

Mass of solvent + mass of solvent
1000+100
1100

[@user-ew7vs9iz1j]

Bharat ke pyati heen bhavna or angrejo ki chapluci pe bilkul jayaz bole h 😊😁😁👍👍👍👍

[@iconic_ff5189]

Legends are watching after passing there 9th class.

[@ashiprakash2021]

Abbe woh legend nahi bebkhuf honge jo 9th pass karne ke baad bhi ye video dekh rahe hai 😏😏😏

[@MAC-K]

tommorrow my exam science KV

[@mahimarajput6141]

Bro me bhi kv me hu

[@manoj4830]

Bhai question send kr skte ky

[@kartikeydubey639]

1100

[@manjutiwari7795]

Where you house sir

[@kapilgautam4035]

Sir wo water ke space mai jata hai

[@MohitSingh-yv3en]

Thanks Sr 😊😊😚😚😚😚

[@lebeastyt9274]

Oppppppp

[@truemind11703]

Sir atom and molecule CH 3 padhne se pehle chapter 4

[@jagatshing306]

when you told (bhai sahab) you looked so cute😚😚😚😚

[@TheBaldRaccoon]

Bhaley hi angrez log indians ke baad discoveries karte hai magar angrez zyaada organised aur publicly kam karte hai
Chalo koi nahi desh ab badal raha hai 🐤🐤

[@priyakumari-in6oo]

Sodium=500gm
Chlorine=500gm

[@koreanshorts1318]

Very nice video