Structure of Atom Class 11 Chemistry #2 | Bohr's Model of Atom | JEE NEET CBSE

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I like how she makes concepts easy with her own created stories😂😆

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Yeah..that's her specialty 😍😊

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roshni madam ka specialty

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I ALSO 😅😅😅😅

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Yess

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1:11 - Atomic spectra. 11:18 - Emission spectrum definition. 16:41 - Hydrogen spectrum. 20:08 - Hydrogen spectral lines. 23:41 - Balmer Expression. 26:40 - Rydberg Constant. 29:20 - Bohr Model of Hydrogen. 29:56 - Bohr's 1st Postulate. 31:53 - Bohr's 2nd Postulate. 37:05 - Why is Energy Negative? 39:52 - Bohr's 3rd Postulate. 41:07 - Bohr's 4th Postulate. 42:06 - Bohr's 5th Postulate. 44:12 - Explaination of Hydrogen line spectra. 48:08 - Example Question 1. 51:36 - Example Questiin 2. 55:23 - Bohr's Model of Atom Summary. Key stamp 😅

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0:36

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Mam postulate number 2 me Difference in energies of 2 energy states Formula are blure send me please mam 33:32

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Thanks

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29:12 -bohr's model of the atom

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29:12 Bohr's model of atom 55:25 Bohr's model of atom summary

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[@NafishaKhatun-he8gc]

1:10 - atomic spectra 3:10 - quantised spectra 11:30 - emission spectra 12:51 - absorbtion spectra 15:45 - line spectra to identify elements 16:40 - hydrogen spectrum 20:08- hydrogen spectral lines 29:10 - Bohr model for hydrogen model 37:05 - why is energy negative 39:52 - back to bohr model of hydrogen 44:13 - explanation of hydrogen line spectra using bohr model 55:20 - bohr model of atom (summary) 57:47 - limitations of bohr model like if you like it😄😅

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Energy is inversely proportional to stability... In ground state, low energy so high stability In most excited state, more energy so less stability..

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Mam 1all the hydrogen atoms are same how can it give different colours in the spectrum? 2 again how can a hydrogen atoms can have multiple orbit/shells ?

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You fell proud to study from her? Tum gir gyi unse padte padte?

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Amazing..... I was searching for this kind of vidoe where I could learn the concepts with example👍👏

[@vsdktbkm5012]

Very good understandable lecture. Must be of great benefit to our students. BTW, Dr Bohr had visited BHU in the 1950s. Our BHU-IIT professor (Goswami) told us in the '70s. Some comments on the English pronunciation: Bo-her nahin, H silent he. Khali "Bore" he. Similarly 'hydr"O"gen" nahin. It should be pronounced: high-dra-gen. Rahul Dravid ka Dra. not Dhra but Dra, and no "O".

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Thank you so muchh mam....the way you teach I feel like I can even teach others like you...Your way of clearing concepts is the best👍👍 Before watching this I felt that this chapter is not made for me...Thank you so much mam... #conceptshuacrystalclear

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Màam 'n' matlab shell number....jab electron energy gain krega then it will move to next enery level......to kisi bhi atom mekitne energy levels hote h..????

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Let me try this Energy level is nothing but orbits and we previously know the number of orbits it element .it differs from element to element hope it's clear now

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I have my exams in 4 days, i was rlly struggling in this chapter but these videos helped me a lot, Thanks maam.

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Thanks mam to overcome the fear of this chapter

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Concept hua totally crystal clear Doing a great job ma'am 👍 Loved the way u explain and infact we find very easy to cherish knowledge from u....... Hatsoff for the job u r doing

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'Concept hua crystal clear' Forever best teacher roshini mam

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Who all started in February knowing that March is our final exams?? I think I am not the only one.... BTY CONCEPT HUA CRYSTAL CLEAR 🔮

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Same to I also started in februar

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I m too

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Waise bhi kv me padhai nahi hoti woh bhi kv thakkolam if I'm correct

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yes, you're not the only one...😔

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Mam crystal clear hua😊❤❤Mam....please new syallabus ke according qs ans ki bhi vdo bnaiye😊

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😐🤨🤨

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You have made such complex topics very easy for me. Thank you😊😊

[@manyakamboj2157]

Maam i have a doubt. Agar electron unstable state m h to uske paas to energy h na wo stable m kyun aata h? Or agar aata bhi h to pehle aakar phir energy kaise release karta h energy to pehle release nhi honi chaiye? 😅

[@nikitaswamy2950]

Mam concept is crystal clear.........💓 . Mam ur teaching was super ,fantastic 💛 ....I am started loving ur teaching💜......... I thinked that strcture of atom chapter was tough but u made this chapter super EASY mam😃💚💚💚💚 Loved ur teaching style👍

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[@chundawat9841]

CONCEPT IS CRYSTAL CLEAR