Structure of the Atom Class 9 Science | One Shot | Chapter 4 | Chemistry NCERT CBSE

"Timestamps:
0:00 Introduction
0:43 Atom
3:38 History of Atom
5:06 Dalton’s Atomic Theory (1808)
6:07 Dalton’s Atomic Theory : Limitations
6:54 Atomic Models
7:32 Thomson Model of Atom
8:56 Introducing α, β and γ-rays
10:07 Rutherford’s Experiment : Setup
12:39 Rutherford’s Experiment : Observation
15:12 Rutherford’s model of Atom
16:47 Rutherford’s model of Atom: Limitations
18:48 Rutherford’s model of Atom
19:32 Bohr’s Model of Atom
22:21 Bohr’s Model of Atom: Electron Orbits
23:13 Bohr’s Model of Atom : Limitation
24:08 Neutron
26:19 Electron distribution in Different Shells
26:40 Electron distribution in Different Shells
35:57 Valency
40:45 Determining Valency of an Element
46:06 Atomic Number & Mass Number
47:46 Isotopes
49:16 Isotopes: Application
49:57 Isobars
LearnoHub.com (formerly called ExamFear Education) is a Free Education platform with more than 6000 videos on Physics, Chemistry, Maths, Biology, English, Science experiments, tips &tricks and motivational videos for Classes 6 to 12.
Learn for Free!
Website: www.learnohub.com
Facebook: bit.ly/LearnoHubFB
Instagram: bit.ly/LearnoHubInsta
Join our Telegram Group: LearnoHub - 12: t.me/LearnoHub12
Join our Telegram Group: LearnoHub - 11:t.me/LearnoHub11
Join our Telegram Group: LearnoHub - 6 to 10:bit.ly/Class6to10TelegramGroup
About the Founder:
Roshni Mukherjee, the Founder-Educator at LearnoHub has been building this free learning platform since 2011. She has been recognized as one of the 100 Women Achievers of India by the Ministry of Women & Child Development and felicitated by the President of India in 2016. Roshni has been invited by Google to speak at Global Education Symposium 2017 held at Google Headquarters, California. Limca Book of Records also recognized our work.
Watch Roshni's Tedx Talk to know more about her journey:
• The magic passion can ...
#LearnoHubScience #SabkoSamajhAayega #FREEhaiParBESThai #CBSEClass9Science
Join us and let us together build this Free Learning Platform!
We will surely ensure that you enjoy the real learning with us.
Copyright © All rights reserved. LearnoHub | ExamFear Education"

Пікірлер: 502

  • @pruthirajjena8839
    @pruthirajjena88393 ай бұрын

    Who Is Here To Clear Basics Of Atom For Class 11😅😊

  • @subashmalepra2828

    @subashmalepra2828

    Ай бұрын

    It's me

  • @VEERSHINGGUJJAR

    @VEERSHINGGUJJAR

    Ай бұрын

    Me

  • @mohdarifgujjar8963

    @mohdarifgujjar8963

    Ай бұрын

    Me in 2024.25

  • @dixit_ji.-123

    @dixit_ji.-123

    Ай бұрын

    I am here for class 12th 😂😂

  • @venkatganesh8054

    @venkatganesh8054

    Ай бұрын

    🙋

  • @tirathrai3728
    @tirathrai3728 Жыл бұрын

    One like for mam🎂👍👍

  • @MohdAfsar-qw7ue

    @MohdAfsar-qw7ue

    9 ай бұрын

    😊

  • @himanshugamingrr6284

    @himanshugamingrr6284

    7 ай бұрын

    😇😇oye bro

  • @gayatrimeena2080

    @gayatrimeena2080

    5 ай бұрын

    ।t

  • @AchithB.T

    @AchithB.T

    3 ай бұрын

    😂​@@himanshugamingrr6284

  • @Navjot_singh1129

    @Navjot_singh1129

    Ай бұрын

    One like for your mom

  • @shreya2976
    @shreya29765 ай бұрын

    The video discusses the structure of atoms and molecules, including electronic configuration, valency, and atomic number. It also explores the behavior and interaction of alpha particles within a gold item, as well as the electron distribution and behavior in atomic nuclei. The limitations and possibilities of building a home in a specific colony are also explained. 00:00 Understanding Molecules and Matter 05:53 Discussion on Organization of Items and Models in Quantum Mechanics 11:48 Analysis of Gold Item and Alpha Particle Interaction 17:44 Understanding the Energy Levels and Orbits of Electrons 23:38 Understanding Electron Distribution in Atomic Nuclei 29:40 Understanding Electron Configuration and Atomic Number 35:35 Understanding Electronic Configuration and Valency in Chemistry 41:33 Understanding Electron Configuration and Atomic Number 47:30 Understanding Atomic Numbers and their Significance

  • @Singwithstudy-kf8gg
    @Singwithstudy-kf8ggАй бұрын

    Attendance for those who are here for class 11th chemistry (Atomic structure)😊❤.

  • @nishayadav788
    @nishayadav788 Жыл бұрын

    I am from class 11 but still I watch this video 📷 for crysta. Clear my basic very useful in chemistry 2

  • @Aryan.gupta_23

    @Aryan.gupta_23

    5 ай бұрын

    Apke 10th boards me kitne percentage aaya ??

  • @Metal.Facade

    @Metal.Facade

    5 ай бұрын

    reply wale bhi puchne lage@@Aryan.gupta_23

  • @shikhardubeyvlogs597

    @shikhardubeyvlogs597

    4 ай бұрын

    100 percentage😂😂

  • @Toxic_yt_5000

    @Toxic_yt_5000

    4 ай бұрын

    Acha majak hai 😂😂😂😂 😂😂😂😂😂😂😂😂😂 ​@@shikhardubeyvlogs597

  • @santoshkumararya1681
    @santoshkumararya1681 Жыл бұрын

    Concepts are crystal clear

  • @Divy_anshi07
    @Divy_anshi073 ай бұрын

    Concept hua crystal clear 😊

  • @nadiradiya4327
    @nadiradiya43274 ай бұрын

    I am from Bangladesh but I always enjoy your classes ❤

  • @varsharajput4425
    @varsharajput44256 ай бұрын

    All concepts are crystal 🔮 clear

  • @IshaanKumar-ol7hc
    @IshaanKumar-ol7hc7 ай бұрын

    Thanks mam I am in 11th class but my basic not clear than I see your 11th class video and you recommend this 9th chapter and I understand that thank you so much mam

  • @surendersaroha980
    @surendersaroha98011 ай бұрын

    Mam thank you for all the hard work for us you and your team are blessed with animation skills may your channel grow even more your educating skills are awesome😊😊😊

  • @JitendraSingh-vc9kl
    @JitendraSingh-vc9kl Жыл бұрын

    Ma'am thanks to teach us concept are crystal clear you are the best teacher of science 🥰

  • @davinderjeetkaur6300
    @davinderjeetkaur6300 Жыл бұрын

    Best teacher in the world for science And the concepts are crystal clear 😊😄❣️

  • @teachinginstitute9957
    @teachinginstitute9957 Жыл бұрын

    You explain very nicely we are very glad to have a teacher like you😃

  • @dr.t.l.shrimali-sanskritse7683
    @dr.t.l.shrimali-sanskritse7683 Жыл бұрын

    Concept are crystal clear thank you so much 😀☺️

  • @unstoppableshorts643
    @unstoppableshorts6438 ай бұрын

    Concept is crystal clear

  • @alone_680
    @alone_680 Жыл бұрын

    Thank you mam and concepts are crystal clear 🙏🏻

  • @fuvg8698
    @fuvg8698 Жыл бұрын

    Mam actually your teaching methods is very simple and outstanding l just hope you will always happy 😍

  • @kannushekhawat2346
    @kannushekhawat2346 Жыл бұрын

    I have a doubt mam … atomic mass 16 btaya apne oxygen ka vo kha se aya table me likha h vo yaad krna pdega ya phir iska bhi koi formula ya method hota hai

  • @swatimittal9076
    @swatimittal9076 Жыл бұрын

    How we got to know about presence of electrons acc to rutherford model?

  • @reenakatara4959
    @reenakatara49592 ай бұрын

    mam chapter ke notes kaha milega

  • @miss.propitious
    @miss.propitious6 ай бұрын

    Concepts hua crystal clear.. Thank you so much ma'am.. Your explanation is really great.. ❤✨

  • @YawarAshraf_01

    @YawarAshraf_01

    5 ай бұрын

    Muja samjawoo gi

  • @rikesh3704
    @rikesh3704 Жыл бұрын

    Concept are crystal clear thankyou so much mam for explaining thus chapter in easiest way

  • @khushbooprajapati3805
    @khushbooprajapati3805 Жыл бұрын

    Thanks for making this video 😊

  • @nutakkisowjith857
    @nutakkisowjith857 Жыл бұрын

    THE BEST TEACHER TILL NOW: BEST VOICE BEST EXPLANATION CRYSTAL CLEAR AND MANY MOR..... ☺☺☺☺

  • @krishnakrsharma4735
    @krishnakrsharma4735 Жыл бұрын

    Superb explanation!!! 👍👍👍

  • @rakheeteothia3638
    @rakheeteothia36387 ай бұрын

    The class was very good as full effort was given by the teacher. Thank you.

  • @maharashtratalkshow3816
    @maharashtratalkshow3816 Жыл бұрын

    Very fantastic explanation in few time mam ... Thank q so much

  • @Abhinavkumar.-.
    @Abhinavkumar.-. Жыл бұрын

    Concepts are crystal clear.

  • @himanshugamingrr6284
    @himanshugamingrr62847 ай бұрын

    Jis jis ko class me smjh nhi aya but is video ko dekh kr smjh aa gya

  • @aniketprajapati4305
    @aniketprajapati4305 Жыл бұрын

    Concepts are crystal clear thank you mam

  • @lavikumar6476
    @lavikumar6476 Жыл бұрын

    Ya! Crystal clear 🤟

  • @breakbeatgaming3636
    @breakbeatgaming3636 Жыл бұрын

    Ma'am per light pas nahi ho raha hai chapter se to crystel clear nahi

  • @bimladevi8928
    @bimladevi8928 Жыл бұрын

    Concepts are crystal clear 👍

  • @ishikachoudhary5852
    @ishikachoudhary5852 Жыл бұрын

    Thank you mam for the video do you record ss videos?

  • @Vedant-qx3uk
    @Vedant-qx3uk Жыл бұрын

    Concepts are really crystal clear

  • @manojkumarmandal9258
    @manojkumarmandal9258 Жыл бұрын

    বলছিলাম যে পরামুর গঠন A^X^Z দ্বারা যদি A কে পারমানবিক সংখ্যা বোঝাই তাহলে ইলেক্ট্রন গঠন -1^e^0 দ্বারা এর পারমানবিক সংখ্যা _1।এটি কিভাবে সম্ভব।কারো পারমানবিক সংখ্যা নেগেটিভ ।।।How is it possible?pls ans me

  • @naveendhoni4880
    @naveendhoni4880 Жыл бұрын

    They way Ur teaching Mam..Absolutely Loved it and Explanation is Awesome

  • @ayushupadhyay9866
    @ayushupadhyay9866 Жыл бұрын

    Finally I 👂 listen proton...... 🙌🙄 24:30

  • @brightfutureschoolofstudie1543
    @brightfutureschoolofstudie1543 Жыл бұрын

    Ma'am, I have a doubt about isotope of H. You told that H has only 1 proton in its nucleus and absent neutron. ?????? Please ma'am solve my doubt

  • @user-no4wn4qp6g
    @user-no4wn4qp6g4 ай бұрын

    Mam really you helped me, I was not idea about atomic structure but my all concepts are clear. thanks a lot! of once again thank you so much! ❤

  • @lofi4056
    @lofi4056 Жыл бұрын

    Concept are crystal clear 👍🏻

  • @Shimersahni1234
    @Shimersahni1234 Жыл бұрын

    The shortest and bestest video I found on yt till now

  • @fitnessproo5067
    @fitnessproo5067 Жыл бұрын

    Concept must be crystal clear ❤️🙏❤️

  • @jairamsoni9359
    @jairamsoni9359 Жыл бұрын

    Mam thank you for making chemistry easy 😊

  • @Studentkaksh
    @Studentkaksh Жыл бұрын

    Best lecture mam, you truly deserve more subscribers at least 1 million and more views

  • @maxhouse1215
    @maxhouse1215 Жыл бұрын

    Rutherford's gold foil experiment is performed in 1911 not in 1909....

  • @creativechef714
    @creativechef714 Жыл бұрын

    Clear explanation! 💯

  • @Kartik_Rao_6969
    @Kartik_Rao_6969 Жыл бұрын

    Thank you so much for such good videos , varna school ki teachers to bas notebooks kaam hi karaati hai

  • @seemaraana4055
    @seemaraana4055 Жыл бұрын

    I am not perfect in chemistry but after watching this video I thought that I can improve my chemistry by watching your detailed concepts........My concepts are crystals clear I enjoyed this video and learnt alot from it Hoping for best for my tomorrow's exam😊😊😊

  • @nitinthenua2975
    @nitinthenua2975 Жыл бұрын

    Concept crystal clear 🔮💯💯

  • @ur__really___pretty
    @ur__really___pretty Жыл бұрын

    crystal clear maam

  • @UttapBanua
    @UttapBanua Жыл бұрын

    God bless you Didi 🙏🙏🙏 your study method was so simple...... Keep growing 🇮🇳🇮🇳🇮🇳🇮🇳🇮🇳

  • @gaurimishra_official
    @gaurimishra_official Жыл бұрын

    19:35

  • @PanchalSahib-lh2op
    @PanchalSahib-lh2op5 ай бұрын

    This 50 min lecture is better than any 2 hour lecture on utube

  • @Mahendrasinghdhoni66
    @Mahendrasinghdhoni66 Жыл бұрын

    mam ne aisa padhaaya na maine sar khujaya aur na hi koi doubt aaya bada maza aaya

  • @user-ng3yw3gb6e
    @user-ng3yw3gb6e Жыл бұрын

    Mam, aap sabhi concepts ek chotisi story ye rahi isaki kahani banaake batate ho ye aaccha lagata hai. Aare itani aasaan lagati hai.varana padana jaise naamumkin hai. Thank you so much mam.

  • @hars_hitha_s17
    @hars_hitha_s176 ай бұрын

    very helpful mam...all dought crystal clear

  • @Studentkaksh
    @Studentkaksh Жыл бұрын

    You are amazing mam, loved your content , you will get 1 crore subscribers one day😊😊😊

  • @anokhetathaya4484
    @anokhetathaya4484Ай бұрын

    Thank you very much mam .. your teaching is really very nice

  • @Abhi4123w
    @Abhi4123w9 ай бұрын

    Great explanation ma'am 👍👍👍

  • @angelnmr
    @angelnmr7 ай бұрын

    Best teacher i have ever seen in KZread ❤️❤️❤️ thankyou so much mam

  • @nivedithatn3748
    @nivedithatn37487 ай бұрын

    Super explanation with animation thank you mam

  • @satyanarayanrathod1967
    @satyanarayanrathod1967 Жыл бұрын

    What are limitations of J.J thomson model of the atom

  • @MBBS_123
    @MBBS_123 Жыл бұрын

    Concept is Crystal clear ❤️🍁🤞🏻

  • @mrigankkumar2199
    @mrigankkumar2199 Жыл бұрын

    You're the awesome 👍 explainer

  • @arohi_303
    @arohi_30310 күн бұрын

    Me to ma'am ke bolne pr hi yha aayi hoon😂😂

  • @romanticstatus6910
    @romanticstatus6910 Жыл бұрын

    Thanks mam concept are crystal clear

  • @RajMishra-hq6xz
    @RajMishra-hq6xz Жыл бұрын

    Concept hua crystal clear 🤗

  • @jitenderror2865
    @jitenderror2865Ай бұрын

    Mam u cleared my all doubts thankyou ❤so much 😊

  • @shinrai4106
    @shinrai4106 Жыл бұрын

    Mam do you have a video of you teaching chapter 3

  • @neetutiwari7112
    @neetutiwari71127 ай бұрын

    MAHARISHI KANAD of India has first discrib atom ( Dalton se dhy hajar sal pahle )🇮🇳💯💪

  • @niteshrajpoot1449
    @niteshrajpoot1449 Жыл бұрын

    Concept are crystal clear mam ka teaching ka tarika bahut achha hai

  • @user-wm9uj9en9m
    @user-wm9uj9en9m Жыл бұрын

    concepts are crystal clear

  • @i_am_the_clutcher
    @i_am_the_clutcher Жыл бұрын

    Exercise question is not there?

  • @vikyathhegde8e601
    @vikyathhegde8e601 Жыл бұрын

    Concept hua Crystal clear🎉🎉

  • @unknown13.3.5
    @unknown13.3.5 Жыл бұрын

    Crystal and clear... 🔮

  • @amitanagar9662

    @amitanagar9662

    Жыл бұрын

    Same....

  • @raoadil7733
    @raoadil77339 ай бұрын

    Nice 👍 video concept thank you so much ❤

  • @rachnarana3768
    @rachnarana37682 жыл бұрын

    Interesting way of explanation

  • @Jkbose-495
    @Jkbose-495 Жыл бұрын

    I learn many new things from this video

  • @Khadijalaskar13
    @Khadijalaskar132 ай бұрын

    I have passed out my 12 now taking a drop but still watching this to clear my concept

  • @noob12progamer9
    @noob12progamer9 Жыл бұрын

    Concepts are crystal clear. Really enjoyed your class.

  • @sukhdevbhullar9874
    @sukhdevbhullar98742 ай бұрын

    51:50 completed the whole video 🎉

  • @user-xr8lb4vl1p
    @user-xr8lb4vl1p Жыл бұрын

    Concept are crystal clear 😊

  • @raghavbhardwaj4377
    @raghavbhardwaj437710 ай бұрын

    All concepts are crystal clear🎉

  • @priyanshispretttylife6258
    @priyanshispretttylife62588 ай бұрын

    Marvellous explanation

  • @vvv11228
    @vvv112289 ай бұрын

    Thank youu so much ma'am... Concept hua crystal clear ma'am ❤❤❤

  • @altamashkhan7574
    @altamashkhan7574 Жыл бұрын

    Crystal clear ❤️👍

  • @ramkumardhundhara6780
    @ramkumardhundhara6780 Жыл бұрын

    Concepts are crystal 🔮 clear

  • @p2allrounder67
    @p2allrounder674 ай бұрын

    Thank you ma'am good explanation

  • @user-ng8el2vv3l
    @user-ng8el2vv3l6 ай бұрын

    undestanding explanation. mam you have made this chapter easy for me 😇

  • @teamforsagebued312
    @teamforsagebued3126 ай бұрын

    Mam thankyou so much for making so many efforts for us your enthusiasm is very great

  • @NusratJahan-vu1be
    @NusratJahan-vu1be8 ай бұрын

    Crystal clear 😊

  • @ujjawal940
    @ujjawal9405 ай бұрын

    Thanks mam concept crystal clear 😊

  • @IITIAN_-bt7vi
    @IITIAN_-bt7vi5 ай бұрын

    concept"s hua crystal clear 😇😇

  • @khanflower2763
    @khanflower276311 ай бұрын

    All concept are clear 👍 Thanku maam You are the best maa,m👏

  • @Loneishu729
    @Loneishu7299 ай бұрын

    Oh i can't understand anything clearly 😢 but to understand i always come here to see your videos mam and allahumdulilah it's very helpful tysm ❤

  • @meeramunda8139
    @meeramunda8139 Жыл бұрын

    Thanku mam you are amazing ♥️♥️♥️

  • @akshitatiwari4639
    @akshitatiwari4639 Жыл бұрын

    What a video!!! Great explatation

  • @afiyafarooq1330
    @afiyafarooq13302 ай бұрын

    We all love you ma'am ❤❤❤ keep it up ❤❤ thankyou