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Khan Lala, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
Maam as u show the calculation that how the atomic mass of hydrogen atoms becomes 1 u l. Please show the calculation of magnesium also that how it becomes 24 u.
The main thing about u is u starts ch with base( environment se relate krte hue) start krte ho aur sare basics smjhate ho wonderful Class m to bol dete h atomic mass ki define yad kr lena ..... But u makes chapters story... u are amazing
ma'am u r the great last night I was very much in trouble with this chapter of chemistry but now it is very much clear to me..literally except u no one else can explain the harder thing in easy way...we are just blessed ❤👐
All doubts are clear after watching this video amazing session and gorgeous science teacher ... I really like this session U r the best science teacher Having a great experience by magnet brains Watermelon🍉 and apple🍎🍏 one example was amazing... I'm feeling proud to have a teacher like you in our country..
The Brain Blanket🤘🤘, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends. Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
Awesome👏👏...... Hats off to you 🙏❤....... I have never seen a teacher👩🏫 like you..... Who teaches her student in a very joyfull , visualising, and imaginative manner. 😇🥰😘😍🤗
Mam very very excellent explanation I am in class 11 and I was not understanding this concept my teacher just left it telling that we have already learnt it before.... Thank u very much mam it helped me alot... My concept is clear now
Harshita C Tiwari, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
Hey i am also in class 11 but my concepts was not clear in previous year so I was decided i drop my one year and i repeat 11th standard 😭😭😭😭my biggest mistake in my life was i don't study seriously in class 9th
Ma'am you are really very very brilliant teacher thanks a lot 🙂 Aap bht students ki zindagi bacha rhi hain.... lockdown mai 2 saal bethe bethe dimaag kaam karna hi band kardiya lekin aap ki wajah se dobara kaam karna shuru kar raha hai, thank you so much 🥰🥰🥰🥰🥰❤️❤️❤️❤️
Thank you so much for your kind words! This lockdown has been tough for everyone, but we are glad that our videos have been able to help students continue learning. We really appreciate your support and are thankful for your kind words. Thank you for being part of our educational journey!
Queen Baruah, Thank you for watching. Do tell your friends about Magnet Brains. Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
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I am studing in class 11 but i cant understand atomic mass these why i came here to understand some basic knowledge about atomic mass and now i easlily understand now i have no problems or doubt in class 11 atomic mass topic Because 9th chemistry basics knowledge is more important to understand 11 chemistry Thanq so much mam😊😊😊😊
Mam aap kon ho aap kon ho itna accha koi kaise understand de😲 sakta hai u are absolutely teaching right😊 such look like these topics u will more discuss to us . 🙂
Mam u are best ... ❣️ Ur explanation is very awesome!! 😊😛 I really understand this concept very well thanks soo much mam 💕 It ' s very helpful for me once thanks mam😘😚😚😚😍
Learn with Fun 😉, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
23:09 jisko yeh samjh nahi aaya 12 amu= 1 atom of C-12 1 amu= 1 atom of C-12/12(we placed 12 from the equation from lhs to rhs then it gets divides by the rhs equation because in lhs 12 is multiplied by amu)
U teach really fantastic mam ..1st time I watch out ur video ...ND I have to say ..every single line ND point clear to Mee ..thanks mam...aap jse teacher ho to hme bhi pdne or padhne me mjaa aayr
@@MagnetBrainsEducation Thank you mam for replying me, I am Your obideient student , . And recommended this website , mostly for science , and you teach us is simpler way , from basic to advanced , Thankyou.
mam correct me if i am wrong but 1.66*10^-24 is the mass of 1/12 mass of one atom of C-12 not mass of one atom of C-12 or 1amu=1.66*10^-24 grams and 12 amu=mass of one atom of C-12=1.9924*10^-23 grams.
Mam at 26:05 you said that we are relating mass of one atom of hydrogen which the mass of one atom of c-12 isotope, but this isn't true. Mass of one atom of c-12 isotope is 1.992*10^-23 grams. But you have written 1.66*10^-24 grams, which is the mass of "1/12th" part of the mass of one atom of c-12 isotope,(i.e. 1/12 * 1.992*10^-23 grams).
raniya🤍🤍, Thank you for watching. Do tell your friends about Magnet Brains. Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
Magnet brains plz share the videos of Behind the scenes I really want to watch .... How many Masti did teachers do during making videos .... 🤭🤭🤭 But This video make me understand chemistry properly
DANCE with KHUSHI, Thanks for the reply. Wherever possible, please recommend us to your friends. Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
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if we cut the water melon , then the shopkeeper will ask that u have to buy it because u have cutted it !!!!!! we lost our money Ma'am !!!!!!!!!!!!!!!!! AnD I will bring the apple freely in my home!!!!!!!!!!!!!!!!!!!!!!!!
In atomic mass, if we already know the value of atomic mass ,than why the concept of watermelon is needed ,as in finding we have to know atomic mass of particular element for relating with C^12 If any one have answer of this question ,reply.
@@ashmakhatoon4597 I understand what are you saying but I am just asking about ; To find atomic mass by relating with C^12,we should know atomic mass of that particular element ,than why we got the concept of carbon isotopes (C^12) as standard mass
In this consept we able to know atomic mass of any element indicate the number of times one atom of an element is heavier than ½ of a C - 12 atom... For example - atomic mass of magnesium is 24 u , which means that one atom of magnesium is 24 times heavier than ½ of a C-12 atom... But the actual mass of the magnesium is 3.9852*10^-23 So this consept is given...
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Finally finally I got understand this concept after a long suffer of time Thank u so much ma'am. 😊😀😁😄
Khan Lala, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
@@MagnetBrainsEducation 👍
@@MagnetBrainsEducation is par to apne reply karr diya iske upar maine bhii kuch pucha haii to vo bhii bata dijiye.
@@rishabhgupta6403 ok
@@MagnetBrainsEducation for state board their is no lectures
I thought the exams will be online and was so relaxed and now it's told it will be offline so I'm here...😹
Same scam with me 2 yrrr 🤣👍😑
😂same me
Same here
ME too
First time i see a cat laughing🤣🤣😂
Ma'am how can we know or measure the mass of one carbon atom firstly?
Same question
These are the the Isotopes
@@jaidityagrewal8282 I think it was measured by exeperiment
@@anandanand7760 May be
12 amu
Maam as u show the calculation that how the atomic mass of hydrogen atoms becomes 1 u l. Please show the calculation of magnesium also that how it becomes 24 u.
Congratulations for 1 million subscribers
Approximately 2 million today🤫
7.04 million today
10.3 million today
13 million bro
Nice explanation miss.thanku so much for starting chemistry,it very helpful for us❤️😊
Wow man 83 lakh subscribers complete just now 😃😃😍😍😍😍😍
Wow! That's amazing! We're so glad to have so many students taking advantage of our educational videos. Thanks for being part of our community!
Me reading this comment after it crossed 12.6 M be like: 😮
❤ thankyou mam
Kitni videos dekhi par idhar se ek hi baar mein samajh aagaya. 😊😊💯
Mam agar hum shopkeeper ke watermelon ko 12 parts katange to dukandar chapal huthake marega ek apple ke liya😂😂😂😂
Sach me🤣🤣
@@joyalsharma5889 bhai it's just a joke
@@tanvinishad3685 seriously, tooo serious 😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂
@@joyalsharma5889" Duffer " word shows how much manner you have ?😏😏😏
@@deepanshubisht783 exactly he is just joking nothing else
The main thing about u is u starts ch with base( environment se relate krte hue) start krte ho aur sare basics smjhate ho wonderful
Class m to bol dete h atomic mass ki define yad kr lena ..... But u makes chapters story... u are amazing
101% TRUE
@@hitishakhinchi5536№ 100000000% true,🥺
@@jatinprakash444Nō 100000000000000000000000000000000000000% true,🥺
@@clashingking1450 😔
@@jatinprakash444 kya hua bhai atomic mass glt karke agye kya🥺
ma'am u r the great last night I was very much in trouble with this chapter of chemistry but now it is very much clear to me..literally except u no one else can explain the harder thing in easy way...we are just blessed ❤👐
great :)
No every teacher is best
@@zahrazohra6376 - every individual have his or her point of views and different perspective , there's nothing you can argue with.. 🙏🏼
No
Mam.......your today lecture is very nice .........first time i can't understood but your lecture learn i can best of the best understand
All doubts are clear after watching this video amazing session and gorgeous science teacher ...
I really like this session
U r the best science teacher
Having a great experience by magnet brains
Watermelon🍉 and apple🍎🍏 one example was amazing...
I'm feeling proud to have a teacher like you in our country..
The Brain Blanket🤘🤘, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends.
Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
@@MagnetBrainsEducation Ohk I have already recommend to my friends👭👬 they are also feeling good to have a teacher like you.. 😀😀
Thank u ma'am...it helped me a lot 😊
You learn by magnet brains video your future is bright
Thank you so much it helps me a lot
Finally this topic is clear... I'm so relaxed for exam preparation....thanks a lot mam...👍👍
Like this thing 💜....magnet brains py milta h ap ko quality education bilkul fee of cost ..♥️♥️
Awesome👏👏...... Hats off to you 🙏❤....... I have never seen a teacher👩🏫 like you..... Who teaches her student in a very joyfull , visualising, and imaginative manner. 😇🥰😘😍🤗
Tanvi........ Lgta hai ki tumhe ye atomic mass wala concept smjh me nhi aaya........ 😌😌
Bh h ubu u unicycle vivisect cubist
Mam but how do we know that the atomic mass of one atom of mg is 24U plzz give me answer mam🙏🙏it's my humble request
Mam very very excellent explanation I am in class 11 and I was not understanding this concept my teacher just left it telling that we have already learnt it before.... Thank u very much mam it helped me alot... My concept is clear now
Harshita C Tiwari, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
Hey i am also in class 11 but my concepts was not clear in previous year so I was decided i drop my one year and i repeat 11th standard 😭😭😭😭my biggest mistake in my life was i don't study seriously in class 9th
My biggest mistake in my life i don't study seriously in class ninth
@@drsaleemsidd9459 same bro
i m also in 11th,ab dekho at the end i m watching 9th ki videos for explanation 😂
@@dhruvkataria7639 😂
Ma'am you're explaining good.... thank you ma'am for understanding me...
I suggest you for a good english class..
Sorry inglish class ☺️
@@ameynair7037 Lol..
@@saads109 lmao
Mtlb kuch bhi ....thank you ma'am for understanding me 😂😂😂😂😂
Ma'am you are really very very brilliant teacher thanks a lot 🙂 Aap bht students ki zindagi bacha rhi hain.... lockdown mai 2 saal bethe bethe dimaag kaam karna hi band kardiya lekin aap ki wajah se dobara kaam karna shuru kar raha hai, thank you so much 🥰🥰🥰🥰🥰❤️❤️❤️❤️
Thank you so much for your kind words! This lockdown has been tough for everyone, but we are glad that our videos have been able to help students continue learning. We really appreciate your support and are thankful for your kind words. Thank you for being part of our educational journey!
U are doing such hard work to explain us, thanks u so much Vibhuti Ma'am
We all love you 🙏🏻
Queen Baruah, Thank you for watching. Do tell your friends about Magnet Brains.
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This video is very helpful...I clear my all doubts
Thanks Ma'am for explaining us in easy way🙂🙂
Nandini Gupta, Thanks for being active on the channel. Do recommend us to your friends.
Awesome explanation mam 😊🥰👏👏👏
Mausham Kumari, Thank you for your comment. Do recommend Magnet Brains to your friends.
Thanks 🙏🙏 mam you are teaching is brilliant......no one is teach like you💖💖💖💖
Ek apple ka mass nikalne ke liye pura water melon zaya kar diya😂😂😂but the lecture was amazing I understood everything without any confusion
TECH TECHZ, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
@@MagnetBrainsEducation21:48
Mam, app to meri dil ka dharkan bangaye ho.. as a teacher...... ❤️❤️❤️❤️❤️❤️❤️
Ebrahim Malida, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
Mam in case lf 12×1/12 it gives result as 1 only ! Then can we take only 1 instead of 12×1/12????
It's the same
Thanks mam
atomic weight ko bhi bata dijiye please 👏👏👏
Finally u will be teaching chemistry !
Thank you ! 🤗
Great lecture👍
mam u r just wonderful ..ur teaching ways r excellent
you understand very well really your way of teaching is very good
Wow! You made this chapter ,way to easy for us to understand ☺️😃❤️
WoW! Sister
I am studing in class 11 but i cant understand atomic mass these why i came here to understand some basic knowledge about atomic mass and now i easlily understand now i have no problems or doubt in class 11 atomic mass topic
Because 9th chemistry basics knowledge is more important to understand 11 chemistry
Thanq so much mam😊😊😊😊
Me bbi bhai!
Same here🤠
Me too here in 2023 😁🤌
Ye john dalton ko koi kaam dhandha nhi hai kya, baar baar beech me aa jate h 😂😂😂😂😂😂😂😂😂😂😂
Ye inki aadat hai
😂😂🤣
Bechara berozgar tha😂
I agree
😂😂
Mam aap kon ho aap kon ho itna accha koi kaise understand de😲 sakta hai u are absolutely teaching right😊 such look like these topics u will more discuss to us . 🙂
thank you mam your video help me always......
Thankyou so so much maam💕😊
Gd
Mam u are best ... ❣️ Ur explanation is very awesome!! 😊😛 I really understand this concept very well thanks soo much mam 💕
It ' s very helpful for me once thanks mam😘😚😚😚😍
Learn with Fun 😉, Thanks a lot for checking out the video and replying back. Do recommend Magnet Brains to your friends. Also do checkout the Magnet Brains website, all video lectures are organized on the site for easy access.
@@MagnetBrainsEducation ok ma'am 🙏
Mam ur teachings re great 👍 u should join unacadmey 😌
Mam carbon me total 12 atom hai to 1 atom ka mass 1u hoga ya 12 u hoga
Thank you so so much ma'am you are the best❤ apne eitne acche se samjhaya
23:09 jisko yeh samjh nahi aaya
12 amu= 1 atom of C-12
1 amu= 1 atom of C-12/12(we placed 12 from the equation from lhs to rhs then it gets divides by the rhs equation because in lhs 12 is multiplied by amu)
U teach really fantastic mam ..1st time I watch out ur video ...ND I have to say ..every single line ND point clear to Mee ..thanks mam...aap jse teacher ho to hme bhi pdne or padhne me mjaa aayr
Really mam... Thank uu soo much🙏❤❤
Finally mam , I understood. 🙏
Thank you for watching our educational videos! We're glad you found them helpful in understanding the concept.
@@MagnetBrainsEducation
Thank you mam for replying me, I am Your obideient student , . And recommended this website , mostly for science , and you teach us is simpler way , from basic to advanced ,
Thankyou.
Who is watching video in 2x speed😂
Apun, har video 2x pe dekh rha hu 3yr se
Ab mere liye 2x hi normal speed hai
Hmm itz me
🙋🙋🙋🙋🙋🙋
@@thakurarvind7256😂
Meanwhile the fruitseller : bhai kya chal ra hai ye .
.. Yr tu ye (apple) free me leja aur mujhe bhaksh de😂😂
Sunita Rani, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends.
Congratulations mam 3M ❤
priyanshi Yadav, Thank you for your comment. Do recommend Magnet Brains to your friends.
Mera naam copy kar li😂😂
Mam you are the best science teacher in the world because your examples are very good that we see in your day to day life💖💖🤩🤩🤩💖😍💕
Thanks for clearing my all the doubts 😍😍🥰🥰.
Thnks Magnet Brain😇😇
Young Musical Group, Thank you for watching. Do tell your friends about Magnet Brains.
Shukriya bachchon me science k liye dar khatm karne k liye . Allah aapko hamesha khush aur kamyab banaye...,,,,,,☺️
Abeeee student hae. ki mummy...... 🤭🤣
Duaa to yesehi derha ha to...
I never thought that anyone can explain me like you.thank you mam. We never miss you in our life because you give the basics of science.
mam correct me if i am wrong but 1.66*10^-24 is the mass of 1/12 mass of one atom of C-12 not mass of one atom of C-12 or 1amu=1.66*10^-24 grams and 12 amu=mass of one atom of C-12=1.9924*10^-23 grams.
Shi bol re ho bhai tum shyd
Broo the one hydrogen atom mass is 66058 × 10^ -24 grams
Mam. You are best teacher. Your explanation is really amazing.
Nigam Kumari, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends.
Thank you so much mam.....it was very helpful...🙏🙏💜💜
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@@MagnetBrainsEducation
👍
Ma'am your explanation is so good and you are so beautiful,both things are helping me to understand better!
Very nice explanation ma'am...
Video was very helpful 😃
Loved it soo much..... Thank u for ur great explanation ❤....... Ma'am please ap 11 class ke liye bhi video upload kariye
Hii you are in class 11??
Oh
Mam at 26:05 you said that we are relating mass of one atom of hydrogen which the mass of one atom of c-12 isotope, but this isn't true. Mass of one atom of c-12 isotope is 1.992*10^-23 grams. But you have written 1.66*10^-24 grams, which is the mass of "1/12th" part of the mass of one atom of c-12 isotope,(i.e. 1/12 * 1.992*10^-23 grams).
Thank you for catching that mistake! We appreciate your attention to detail.
@@MagnetBrainsEducation mam ji apka instgram I'd
Mam i understand everything that u teach 🙏🙏u are awesome mam i understand every little thing that u teach u are super mam👍👍
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Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
Very good explanation of Atomic mass..
Thanks mam for this video..
Khushbu Khushbu, Thank you for your comment. Do recommend Magnet Brains to your friends.
Okk mam
@@MagnetBrainsEducation hii maam this topic is quite different but you explained it so easily.
Mam I understood everything in my tution students pass comments and don't let study perfectly I understood very well here
Thank you very much Ma'am.....
Helped me a lot... :))))
Hii
Great way of explanation!
Maam jab aapke bache honge wo boht intelligent honge.... science mei💪💝
Magnet brains plz share the videos of Behind the scenes I really want to watch .... How many Masti did teachers do during making videos .... 🤭🤭🤭 But This video make me understand chemistry properly
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Superrr se bhi bhot bhot bhot bhot bhot bhot uperrr explanation..........Thanku so much ma'am 🤗🤗🤗🤗
Avishka Gautam, Thank you for your comment. Do recommend Magnet Brains to your friends.
@@MagnetBrainsEducation Aldready done👍🏻👍🏻😊😊
Yes yo are good teacher 😊😊😊😊😊😊😊😊😊😊
Vinay Balihara, Thanks for the reply. Wherever possible, please recommend us to your friends.
Get All Classes & Subject Wise playlists here:- www.pabbly.com/out/all-videos-playlist
I have problems between numerical of law of combination and mole concept
24:20 S mam we understood the concept......I am getting tears of happiness 🥲🥲🥲....Tq mam...U are the actual teacher whom we want at school
Sahithi's interesting vlogs, Thanks for being active on the channel. Do recommend us to your friends.
Lecture was best amazing interesting🎉🎉 best teacher
Excellent Explaination mam Excellent example of water melon and Apple
Great Thank you very much
26:09 mass of C atom 1.9926/10^23
Md Iquebal Hussain, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends.
if we cut the water melon , then the shopkeeper will ask that u have to buy it because u have cutted it !!!!!!
we lost our money Ma'am !!!!!!!!!!!!!!!!!
AnD I will bring the apple freely in my home!!!!!!!!!!!!!!!!!!!!!!!!
Yes really 😂😂
@@nayikasikha6885 yup
Thankyou so much Mam 🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹🌹 Your teaching is 💯% best
Amrita Saini, Thanks a lot for watching the Magnet Brains videos. Please recommend us among your friends.
Nice Explanation
Mam, Thank-you!
Thank you so much Ma'am .
If u do self study before watching this vedio carefully, than the concept is easy
Mam, how mass of C-12 isotope calculated?
Oh nice question
14
Oh for this mole concept is used
Ma'am the way u give example to explain a topic is so amazing from which we can understand it properly
Thanku
These was awesome 👍👍
I really understand it much better
This was too help for my exam
Superb explanation 🤩🤩
Richa PATEL, Thanks for being active on the channel. Do recommend us to your friends.
@@MagnetBrainsEducation 🤩
mam- I Thought Ye Aap Sabhi ko Samajh me Aa gyi hogi
Me- Niii
@Abdul Wali i m also in 10th and i watching concept of Atom ...of class 9
@gaming guru sahi kaha ✔️
@@tanvinishad3685 yes.
@@wizardgaming4141 Bhai tera toh katega 10 board Jo hai
katega nii kat chuka h 😁😁
Ma'am please give a proper definition of every topic in video also.
Can anyone please explain what is Isotope or please give the link of video..
🙏🙏🙏
Means jab ek element mein alag alag masses ke atoms present hote hain to use kahate for example c12 c13 c14 of carbon
I like the way of teaching 😊
You are the best ..your teaching skills are of next level..Bless up❤
In atomic mass, if we already know the value of atomic mass ,than why the concept of watermelon is needed ,as in finding we have to know atomic mass of particular element for relating with C^12
If any one have answer of this question ,reply.
It is only for understanding. Kisi chiz ki Ratna jaruri nhi Hota .uske piche reasons Janna v important Hota hai
@@ashmakhatoon4597
I understand what are you saying but I am just asking about ;
To find atomic mass by relating with C^12,we should know atomic mass of that particular element ,than why we got the concept of carbon isotopes (C^12) as standard mass
@@dazzlingcreativity2005 bas calculation ko easy banane ke liye
Vinita pandey, yes I got that point in my school.
In this consept we able to know atomic mass of any element indicate the number of times one atom of an element is heavier than ½ of a C - 12 atom...
For example - atomic mass of magnesium is 24 u , which means that one atom of magnesium is 24 times heavier than ½ of a C-12 atom...
But the actual mass of the magnesium is 3.9852*10^-23
So this consept is given...
This topic was harder to understand for me but you make it so easy thank's a lot mam😊😊😊😊
Hii
Oh
@@poojagarg8523 hii
Mam pahle jab taraju hate the tab baant ka weight kaise lete the 🎒🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔⁉️❓⁉️❓⚖️⚖️⚖️⚖️⚖️⚖️⚖️⚖️🏋️🏋️♀️🏋️♀️🏋️♀️🏋️♂️
Mam C-12,here what does 12 means and also tell me that how many atoms are present in C-12 element.
12 means that uska mass 12 hai "I thinkkkkkk" as bcoz it will hv 6 neutron and 6 proton's. so , 12 uska mass hoga shyaddd
C-12 is isotope
Brilliant!!!
Yes ma'am is brilliant
Yes ma'am is brilliant!😀😀😀😀
Yes ma'am is brilliant
Yes ma'am is brilliant!
Biggest doubt of this chapter "atomic mass" clear by you ma'am 👍
Thanks you 😉❤️🙏
Xxxxx
Ur explanation is best tomorrow is my exam mam u r the best 🙏🙏👍
Thank you so much ma'am you cleared my concept