Structure of Atom - NCERT Solutions (Part 1) | Class 11 Chemistry Chapter 2 | CBSE | 2024-25

[@Anshikagarg08]

27:45 answer of( iii) a) 1.23 X 10²² b) mass : 1.982 X 10-5

[@VikramMishra95]

Mass galat likha hai bhai

[@Mocha_Moon1111]

Here,after disappointing from ignited minds and lurno hub🙂

[@mahendratripathi4811]

Same!

[@mihir_roy45]

wo bs physics k liye thik h

[@meenu8966]

Thanks Sir for this Video❤❤❤

[@YamiSahota]

Right 😅

[@Its_me_mitali56]

Haa😢

[@motivationworld500]

No. Of protons= 1.2046×10²² Mass of protons= 2.011×10-⁵ Kindly check these answers 27:52

[@SBFUNNIST]

Yep

[@gracy20]

Sir its really thankful that you are solving the questions as well as clearing the concepts ....far better than school teachers...😊

[@MagnetBrainsEducation]

Thank you for your positive feedback! We're glad to hear that you're finding our videos helpful and that they're better than your school teachers. We'll continue to work hard to provide the best educational content possible.

[@sureshsapakal6257]

27:50 Ans=1.2044×10^22 33:00 Ans=Fe-protons 26Neutron 30 Sr-proton 38Neutron50 35:55 Ans=Beryllium 39:12 Ans=5.17×10^14 40:31 Ans=1.72×10^6 46:40 Ans=E-3.96×10^-17J

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[@ffgaming-hy9kp]

​@@MagnetBrainsEducation❤

[@SaloniKumari-fd4uq]

Same🎉🎉🎉🎉

[@Buddhism_506]

Q2 ka 3 me = mass of proton ka answer bhi to do sirf no of proton ka diye ho aap.

[@Inspiring__boy__336]

❤

[@siddharth__roy3348]

(4) (iii) ANSWER Be .....Berlium..

[@IshitaPatel-ngi1415]

Kis kiska kal chem ka exam hai meri tarah 😢

[@Toxicfun2024]

Mera 😅

[@PinkiPinki-hs1ec]

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[@RahulMaurya-it1mb]

I am From haryana Rewari 💜

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Karnal

[@ultimategamer2.029]

Fatehabad

[@chiragsaneja7825]

Bhiwani

[@Learnwith-FAM]

Yeah 😅😅😅

[@Pravinmahato-lx3hn]

Anyone in jharkhand ♥️♥️ ♥️

[@tariqueziyad5821]

I'm

[@Game_changers76]

Q.5:- frequency=5.17x10¹⁴ Wave no.= 1.72x10⁶

[@user-amzad23rock]

Questions number ❤. 5 answer. 5.17×10power 14

[@SandeepKumar-pg1qy]

Sir second part kab upload hoga ??

[@MagnetBrainsEducation]

We are so happy to hear that you are enjoying our videos and learning from them! The second part of the series will be up soon, so stay tuned! Thank you for being India's No.1 Online Education Platform!

[@bedikapait8313]

Any one from assam😅😅

[@AklimaKhatun-c5j]

Yess

[@Pradeep-pe7vu]

Moi aasu ❤

[@Vicky46996]

​@@Pradeep-pe7vu hi Babu ❤, mok parhi toh nai gosha na ?

[@niranbora3563]

Yes

[@bijubaruah1220]

Yes bro

[@Kamranmulla-g6x]

😮😮😮Thank you so much sir😮😮😮

[@udayveersingh6738]

Q 2. 3 Fe-- neutrons 30and protons 26 Sr--neutrons 50 and protons 38

[@kartikgupta5319]

39:13 frequency =5.17multiply 10power 14.

[@dhairyachawlani]

Nice👍

[@MARIABhat-f6y]

Kaise solve kiya😢😢

[@AmanKumar-wj5zt]

Sir question no 4 ka 3 no ka answer... Z=4, A=9 Sol: Beryllium (Be) iska atomic no. 4 and atomic mass 9 hai...🤞🏻

[@AwaraGamingYT9917]

Berelium...

[@RashanDeep-c7h]

Sir aapki help se hmm chemistry mein top kar rhe hai thank you sir😊

[@MagnetBrainsEducation]

You're welcome! We look forward to seeing you continue your learning journey with us.

[@Kimbrishtiroy]

Thank you sir for teaching so nicely... because of you I was able understand and solve each and every question easily...I hope u will continue to teach us like...this...your our last hope sir....

[@BEASTFAIJANyt]

sir 3 rd one is berylium👍👍👍👍

[@jehreela_insaan]

Bro tumne apne subscribers kaise badhaye?? Batao na pls

[@Nature_loves_me]

39:06 q(5) ans = 5.17×10'14 hz

[@Nature_loves_me]

46:55 6 ans 39.6×10-16

[@rakshitarana1496]

sir upload part2 as soon as possible!!!!!

[@MagnetBrainsEducation]

We will upload the second part of the video as soon as possible. Thank you for watching our videos and leaving a comment.

[@attarsingh-ly2fu]

Sir aapki writing bahut beautiful hai ❤❤❤❤

[@Aman-o4i]

Thankyou sir this helped me so much❤

[@MagnetBrainsEducation]

Welcome! Get more educational content in a well-organized way by visiting our website at www.magnetbrains.com

[@suchitrasahoo-mz5km]

Tq sir mari doubt clear ho geya apke lilye sir

[@kartikgupta5319]

45:21 question 6 part 2 ,39.6 multiply 10power -6.

[@Hinduuu-balak]

36:27 home work ans- 4Be9 Element- berellium

[@Manpreetkaur-zx6cn]

32:50 Fe = proton 26 neutron 30 Sr = proton 38 neutron 50

[@arbindbuxar3096]

nice teaching

[@Saurabhraghavmovies]

12.044 x 10 *24 - no of protons in 34 g of NH3

[@Mixed_and_I_725]

Ques3 = fe= neutrons → 30 , Protons → 28 Sr= neutrons→50, protons→38

[@worldgaming8889]

Thank you so much sir we fully understood from basics aur maja bhi aaya

[@MagnetBrainsEducation]

Thank you for your kind words! We're thrilled to know our content is helping you.

[@Nature_loves_me]

35:51 4 (3) ans = barelium

[@RiyaJangid-h9x]

36:29 sir berillium 40:44 5.17x 10[13] 1.72x10[12}

[@Gunjakashyap-m8j]

Q no 6 ka second part answer 3.96×10^-16 j

[@ShubhamChouhan-nj3uv]

39.6×10^-16 j

[@Umeshchandranath_37]

3.96 x 10^ - 15 J

[@dilipsable9374]

Ans 4. 3) z-4 and A-9 beryllium..is the answer Thankyou sir 💜

[@sangeetarawat7679]

2.3 Fe- protons=26 , neutrons=30 Sr- protons=38, neutrons=50

[@MagnetBrainsEducation]

Thank you so much for your positive feedback! We're glad you're enjoying our educational videos and that they're helping you learn. Keep up the good work!

[@SunitaDevi-bc2jr]

🎉🎉

[@Ankur742]

Que 2nd (iii)a)1.2×10^22 b)2.004×10^-25 Que 3 fe =proton 26 , neutron=30 Sr = neutron 38 , neutron=50 Que 4 (iii) beryllium Que 5 wavelength=5.1×10^14 Hertz ,wave number 1.9×10^-15 Que 6(ii)3.9×10^-17 Que 7 wavelength=5×10^-11 frequency=6×10^-20 wave number 2×10^-12 Que 8 number of Photon= 202.02 ×10^14 😊😊😊💓💓💓

[@ChemistryStudy-uz9uh]

That means sirs ans was wrong?

[@mihir_roy45]

​@@ChemistryStudy-uz9uhpiche se chapa h bro usne

[@Riya-mehta4796]

Thank you so much 👍 sir this video is very helpful 🙏☺️

[@AnilKumar-qh5ov]

Sir really aap chemistry ke one of the best teacher ho

[@MagnetBrainsEducation]

Thank you so much for the kind words! We're happy to hear that you're enjoying our chemistry videos. Keep up the good work and we'll keep making more great content for you to learn from.

[@Gamingdevil141]

zbr10 sir jii

[@MaryamAhmed-bw3mz]

Bestest explainatn everrrrrrrrrrrrq

[@mohankushwah6911]

Sir question no 3 mai iron ka proton=26And neutron=30 or stronsium ka proton =38and nutron=50

[@rakshitarana1496]

total mass of protons in 2nd question is 32.75×10inverse6

[@MagnetBrainsEducation]

Your input is much appreciated. We're glad you found our videos helpful in your studies. Keep up the good work!

[@ArtiBajaj-t2e]

Thank you so much sir.. ❤ We always support you 🙏🏻

[@KartikThakur-y1g]

27:43 Questions (3)~ a - 1.204×10*22 B- 2.010×10*-5 Done

[@Princyrajvanshi]

33:00 fe= n=30 p=26 & sr = n= 50 p= 38

[@ToukaKirishima-ge2kq]

27:53 2. (iii) No of protons = 1.2044 × 10^22 Mass of proton = 2.015 × 10^-5 kg 32:36 3. (iv) Proton = 26 Neutron = 32 (v) Proton = 38 Neuton = 50 35:42 4. (iii) Be 39:06 5. Frequency = 5.172 × 10^14 s^-1 Wave number = 1.72 × 10^6 m^-1, 46:24 6. (ii) E = 39.6 × 10^-16 J

[@Bot_of_Militia]

👍

[@jehreela_insaan]

Any one from UP 😂

[@vedikagarg1572]

Yes 😅

[@khushisingh23869]

Na ham dharti se hai 😂😅

[@PatandeenPaswaan]

Na hum Pakistan se h bhai😂😂

[@Animulation]

Sare hi up se hote hai😅

[@LoveVibe-m5m]

Mp se bro

[@B.k1861]

Anyone from rajasthan????

[@narayanlalmanat3367]

Yes ✋😊

[@Mahadev_ki_ladli523]

Barellium is correct ans..😊

[@DheerajMeena-c8m]

Thank you thank you so much sir

[@MagnetBrainsEducation]

Thank you for your kind words! We're thrilled to know our content is helping you.

[@Vishnuvarma-e7p]

This teacher was so sweet ❤ and thanks sir ❤

[@kartikgupta5319]

36:08 solution 3rd Be atomic n.4 atomic mass 9.

[@TopokidokDigbak-jg9oq]

Thank you sir for better explanation ❤❤

[@AlankrataPal]

26:25 total number of protons present in 34 mg of NH3. 1.2044×10²⁰

[@-fr4usingh]

Tq Sir ❤❤

[@thelegend3230]

Sir apki videos bhut achi hoti h

[@ParinaBarah]

Sir question no 2.5 frequency=5.17×10^17and wave length=1.72×10^6metre per second

[@kartikgupta5319]

Last question 2.02 multiply 10 power 16

[@kartikgupta5319]

32:56 Q3 4th part 56fe26 proton 26 ,neutron 30 5th solution Proton 38 Neutron 50.

[@divyamineshmistry283]

Ex 2.4. 3 2.015 mass 12.044 protons

[@kapilsolanki5724]

40:30 frequency -5.17×10

[@nandinisharma2634]

Sir Q.3 ka answer hai no. of protons=1.2044×10²² and mass of p=2.01×10^-5

[@MagnetBrainsEducation]

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[@bijlee2802]

its really helpful

[@MagnetBrainsEducation]

Thanks a lot for writing this. We're glad you found our videos helpful. Keep watching and don't forget to share with your friends.

[@zoyasam9141]

Thank you so much ❤️❤️❤️❤️ sir this video is very helpful ❤❤❤❤ very very nice 👍👍👍👍

[@kapilsolanki5724]

Fe-proton-26 Neutron-32 Sr-proton-38 Neutron-50

[@Dhan959]

Assam balo like karo

[@P.k_Behera124]

Que-4 c) 4Be⁹

[@shivanshsharmaartwork5733]

Answer of 3 is fe neutrons 30 and protons 26 and sr neutrons 50 and protons 38 Answer of 4 is beryllium Answer 5 frequency is 0.0051×10¹⁷ Waveno is 0.0017×10⁹

[@pradipbehera7408]

5) 1.724 x 10⁶

[@pradipbehera7408]

It should be written like this

[@amitkumar-e3g9o]

=Fe-protons 26Neutron 30 Sr-proton 38Neutron50

[@anumehta4411]

Thankyou sir for guiding us

[@PranabSaikia-PSSS]

2.2 iii. a) 1.204 x 10²² b) 2.017 x 10 invase 5 kg 2.3 Fe- proton 26,, neutron 30 Sr - proton 38,, neutron 50 2.4 iii) Be 2.5 frequency- 5.17 x 10 invase 14 Wavenumner - 1.72 x 10⁶ 2.6 ii) 39.6 x 10 invase 16 2.8. 1.81 x 10¹⁷

[@MagnetBrainsEducation]

Great work! You're really understanding the concepts well. Keep up the good work and you'll be an expert in no time!

[@princepanwar1016]

Your 2.8 is wrong

[@divineboysujal]

Beryllium ❤❤❤

[@bonoshreesarmah1291]

Q.3 Fe ,proton=26 Neutron=30 Sr, proton=38 Neutron=50

[@CZPLAYZ]

33:01 ans 3 - 30 n in fe ,,26 p+,,50 n in sr ..38 p+

[@NituKumari-yb3il]

Questions (3) answer berylium

[@afrozjahan1262]

35:55 Beryllium

[@lavitarajbongshi8239]

Sir..part 2 bhi dijiya na....

[@MannuKhan-pm2pw]

Wave number=1.724×10^6

[@sapnadhanraj3498]

QUESTION3. . N=30 , P=26 v. N=50 , P=38

[@chandujee]

Question 8... 2.01×10^16 photons

[@IshitaPatel-ngi1415]

32:50 fe protons = 26, netron = 30 Sr protons = 38 , N = 50

[@AjitSingh-y2i8e]

Thank you so much Sir 🫶🏻

[@RidamKumari-zv3du]

Thanku sir❤❤❤

[@shali618]

Sir one shot video kab aayega is chapter ka

[@MagnetBrainsEducation]

@user Thank you for watching our videos! We are happy to hear that you are finding them helpful. We will upload a new video for this chapter soon.

[@S-H_GAMING786]

Sr 88 -38= 50 ans=50,38

[@sandyhatake]

Thankyou soo much sir

[@abh424]

Question 3 3. Berilium

[@lovepreetkaur9631]

Thank you so much 🥰 sir

[@MagnetBrainsEducation]

Thank you for watching our videos! We're glad you're enjoying them and we hope you're learning a lot!

[@anilbarsana2164]

Que 3 (iii)proton=26,neutron=30 (iv)proton=38,neutron=50

[@MagnetBrainsEducation]

Thank you so much for your positive feedback! We're glad you're enjoying our videos and finding them helpful. Keep up the good work!

[@nandinisharma2634]

Q.6, ii) E=3.978×10^-15 J

[@MagnetBrainsEducation]

Thank you for posting a comment on our educational school related videos! We are India's No.1 Online Education Platform and we offer educational videos to school students. We are glad to hear that you are enjoying our videos and that you find them helpful.

[@SnehaSingh-po2ss]

Sir mil gaya thankyou

[@MagnetBrainsEducation]

Thank you so much for enjoying our educational videos! We're glad we could help you out and we hope you continue to enjoy our content!

[@vnagaraj5443]

Z=4 A=9 atomic no. Is 4 and atomic mass is 9 the elements is baryllium.....

[@LuckyJadaun-t4h]

Question number 6 ka second part ka answer h 39.6×10-16 J

[@chandrekishoreyadav8847]

What is stp?

[@AditiRocking15]

standard temp & pressure; basically equals to 22.4 L

[@odiafreefiresubham305]

Any one belongs to odisha ❤

[@shikynadavid336]

Thanku so much sir for these solutions i wanted at a glance revision of the problems as my exams are starting from tuesday and my first exam is chemistery thanku so much again😊😊😊

[@MagnetBrainsEducation]

Welcome! Stay connected with Magnet Brains and Top your exams!

[@Saurabhraghavmovies]

Q6 2 . Energy - 39.6 x 10 *16