p-Block Elements 01 : Group 15 - Nitrogen Family (Part 1) | Class 12 NCERT

Поделиться
HTML-код
  • Опубликовано: 2 дек 2024

Комментарии • 1 тыс.

  • @navpreetkaur8474
    @navpreetkaur8474 2 года назад +162

    Timing _
    Introduction - 2:00 to 8:50
    P - block elements - 8:50 to 16:45
    Occurrence - 16:45 to 21:40
    Physical properties- 21:40 to 38:30
    Anomalous behaviour - 38:40 to 55:18
    Questions- 55:18 to 1:02:40
    Chemical properties - 1:02:40 to 1:44:00

    • @Shyamain
      @Shyamain 2 года назад +3

      Thanks

    • @Princee.e
      @Princee.e 2 года назад +3

      Where is the notes???

    • @Shyamain
      @Shyamain 2 года назад +2

      @@Princee.e notes nahi milega,likho tum..

    • @Princee.e
      @Princee.e 2 года назад

      @@navpreetkaur8474 nhi mil rha yrrr

    • @Princee.e
      @Princee.e 2 года назад

      @@Shyamain 🤷🏻‍♂️😑

  • @shubhranshughosh2575
    @shubhranshughosh2575 3 года назад +273

    so smoothly teached feels like every teacher in PW are literally destined here !!

  • @cauchyschwarzkabhai257
    @cauchyschwarzkabhai257 3 года назад +54

    For Disproportionation reaction better way to remember that Oxidation is Loss of e- & Reduction is gain of e- IS :-
    OIL RIG [OIL - Oxidation Is Loss & RIG - Reduction is Gain] of e-'s obviously.

    • @jayantisingh6229
      @jayantisingh6229 3 года назад +3

      Yep,I've memorised it in the same manner,and it is easier 👍

  • @kashishsonkar2127
    @kashishsonkar2127 3 года назад +1097

    "This has nothing to do with your 11th class" gives such a relief 🥺

  • @imnayab7136
    @imnayab7136 2 года назад +77

    Currently I found A better teacher of Inorganic chemistry.. You are phenomenal..
    Ur explanation left me speechless.. 😘🖤

  • @dharmilasharma4528
    @dharmilasharma4528 9 месяцев назад +1

    2:00 intro
    8:45 electric configuration
    16:45 occurance
    21:37 physical properties
    28:31 melting point and boiling point
    38:32 anomalous property
    55:20 questions
    1:02:43 chemical properties os
    1:08:17 disproportionation reaction
    1:14:32 reactivity toward hydrogen
    1:28:51 reactiviy toward oxygen
    1:33:02 reactivity toward halogen
    1:38:25 reactivity toward metal
    1:39:32 question

  • @vikashmeena7923
    @vikashmeena7923 3 года назад +20

    Thank you mam .. Dil BHT khush hogya jb aapne bOLA na ki ye 11th s connect ni h 😅😅🙈

  • @snehasishsahoo1026
    @snehasishsahoo1026 3 года назад +232

    Inorganic chemistry ke gold medalist se padhne ka mauka sirf naseeb walon ko milta hai 😊😊

  • @CraftyAnshika16
    @CraftyAnshika16 3 года назад +62

    This is the best lecture of this chapter on RUclips 😍👍

    • @radhey367
      @radhey367 3 года назад +1

      Hey didi ye lecture mcqs pattern based h term 1

    • @anshumanmishra5760
      @anshumanmishra5760 3 года назад +1

      @@radhey367 matlab

    • @zislomllll4303
      @zislomllll4303 3 года назад

      @@radhey367 yes it is :)

    • @mdehtesham3283
      @mdehtesham3283 3 года назад

      @@nehaparveen7900 chapter distributed hai sb teacher me.... Btw mohan sir is also best 😀

    • @manshikanojiya7627
      @manshikanojiya7627 Год назад +1

      It is fully complete ncert or not please tell me???

  • @harishchad.
    @harishchad. 3 года назад +10

    Important note for everyone-> i have personally seen ki zyada questions interhalogen compound ke structure shape aur geometry, structure of oxacids of sulphur and halogen and xenon ke compounds and baaki gp 18 se puche jate he

    • @amy_krishna
      @amy_krishna 2 года назад

      Thanks buddy for sharing your observation 😊

  • @trendingmemesdukaan1807
    @trendingmemesdukaan1807 3 года назад +22

    She knows the Indispensibility of time for students. Really ! yrr it's to helpful

  • @jenious19
    @jenious19 3 года назад +172

    Watching into 2x is really amazing
    Ma'am voice becomes too shaarp ⭐🌟
    Thnqqqqqq maamm and alakh sir forgiving a great content without any cost 🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅🌅

    • @sirmour__babu
      @sirmour__babu 3 года назад +7

      @@shreejan2513 par babita ka kya hoga 🙄

    • @harishchad.
      @harishchad. 3 года назад

      @@sirmour__babu what do you mean ye babita kaun he??

    • @harishchad.
      @harishchad. 3 года назад

      2x ki speed me sabki awaaz thodi zyada achi sunai deti he alakh sir ke lectures me bhi unki awaaz 2x me thodi alag sunai deti he ekdum sharp 🔪🔪🔪

  • @ayushmehra2966
    @ayushmehra2966 3 года назад +174

    Congratulations pw whole team for 200k 🙇‍♂️Much appriciated🙌 [Le pw student to pw team :- Bht mast kaam krta he pw bhai]

  • @SakshiBadhautiya
    @SakshiBadhautiya 5 месяцев назад +4

    I studied by her for the first time..........
    after searching many teachers on ytI finally i found the best teacher. Thank you so much mam ❤
    You are the best chemistry teacher ❤️❤️
    If anyone is reading my comment before starting this lecture i recommend from now u should also stop searching for other teachers.....
    Again thank so much mam

  • @nerdyasf
    @nerdyasf 3 года назад +9

    Finally got a perfect teacher ☺

  • @neelupandey6840
    @neelupandey6840 3 года назад +210

    Finally found a good chanel for complete ncert of p block element , thanks mam for this brief knowledge ,,🤗🤗🤗🤗💐and a very well lecture...😊

    • @blaxmibaib1443
      @blaxmibaib1443 3 года назад +2

      Really??

    • @adityadubey1647
      @adityadubey1647 3 года назад

      @@blaxmibaib1443 yess b

    • @shagunsharma2975
      @shagunsharma2975 3 года назад +4

      Sahi mai she is one of the best teacher

    • @vinityadav4118
      @vinityadav4118 3 года назад +1

      You are from delhi

    • @nehaparveen7900
      @nehaparveen7900 3 года назад +1

      Mujhe puri chemistry mam se pdhni h pr you tube pr h hi nhi lectures 🙏🙏🙏🙏🙏🙏plzz someone help me😭😭😭Aur sari chapters ki video kaha h mam ki 🙏🙏🙏🙏plzz help me

  • @sachinaryan6054
    @sachinaryan6054 3 года назад +873

    When u say helium is exception 😂i laugh too much 😂😂😂 meanwhile exceptions are started within 2min only😂😂😂 inorganic is incomplete without exceptions ❤️❤️❤️

    • @alidaim1931
      @alidaim1931 3 года назад +61

      Inorganic chemistry don't have exceptions but when we will try to fix natural elements into our rules and tables of course exceptions will be there but I think this one is very simpel

    • @AshimaGupta_AG
      @AshimaGupta_AG 3 года назад +77

      Hahahaha yes

    • @tiyamondal6627
      @tiyamondal6627 3 года назад +11

      Ashima mam😳😳😳😳

    • @dalvindersingh4544
      @dalvindersingh4544 3 года назад +1

      @@AshimaGupta_AG ara ma'am 🙏🙏ap

    • @chhavisharma5848
      @chhavisharma5848 3 года назад +2

      @@AshimaGupta_AG hlw aashima ma'am...😄💝

  • @snehai.a.smotivation5270
    @snehai.a.smotivation5270 3 года назад +15

    Mam you are a great chemistry teacher hme itna Acha to koi nhi pdhata

  • @tanmaybodhale6218
    @tanmaybodhale6218 3 года назад +110

    Congratulations 👏 for 200K (in advance )

    • @nobita2.072
      @nobita2.072 3 года назад +2

      But it is now 200 k🤗

    • @pratiksolanke2418
      @pratiksolanke2418 3 года назад +1

      🅷🅾🅶🅰🆈🅴🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳

    • @ashaparveen4695
      @ashaparveen4695 2 года назад

      @@nobita2.072 no it is 682k now 😂

    • @nobita2.072
      @nobita2.072 2 года назад +1

      @@ashaparveen4695 oo i pass 12🙂

    • @ashaparveen4695
      @ashaparveen4695 2 года назад

      @@nobita2.072 🥳

  • @batashagamers9361
    @batashagamers9361 3 года назад +2

    Nitrogen nitrogen bond weak then phosphorus phosphorus bond dur to inter electron repulsin in NN bond 47:00

  • @harshitayadav8220
    @harshitayadav8220 3 года назад +8

    Itni behtareen knowledge dete ho aap Mam 🙏🙏🙏🙏🙏.

  • @sheikhmusavirm2177
    @sheikhmusavirm2177 2 года назад +2

    PW is the best teaching chanel for all the students who wants to achieve their goal with great marks thank God to start studying from there

  • @VarshGamerz
    @VarshGamerz 3 года назад +5

    The thing which i m finding from these 2 days i found in here in first 40 min thanks it decreases my depression....

  • @ashishkushwaha3294
    @ashishkushwaha3294 3 года назад +16

    Nice session . Very Good for board students👏👏👏

  • @Mew458
    @Mew458 3 года назад +13

    T=T finally i was able to find a teacher who is covering the whole ncert

  • @HarshTJ17
    @HarshTJ17 3 года назад +1

    45:33
    @ Ashima Gupta
    Mam aap bole chips ke packets mein Nitrogen daala jaata
    Lekin mam Nitrogen toh Posions/Toxic Gas Hota hai na ....

  • @Shalinichaturvedi3725
    @Shalinichaturvedi3725 3 года назад +33

    What a great, ossamm teacher👩‍🏫‍...

  • @batashagamers9361
    @batashagamers9361 3 года назад +3

    Diatomicity of nitrogen concept 44:00

  • @gungunsonker6238
    @gungunsonker6238 3 года назад +11

    You are gorgeous ma'am ❤️ thanku for teaching us.

  • @anwesha9580
    @anwesha9580 Год назад +3

    She just teaches so well gawd love her!💫❤️

  • @upmakushwah7183
    @upmakushwah7183 3 года назад +8

    I am excited for organic chemistry 😊😊😊😊👌👌👌👌👌👌👌

  • @malothubalu2893
    @malothubalu2893 Год назад +1

    Mam your explanation is superrrrrrrrr mam i was searching 🔍since 3 days for best explanation because I don't get interest in reading book so I listen only classes..... Now mam I am so happy because I found a perfect madam....... 🙃😃😀

  • @KishanKumar-jc8hr
    @KishanKumar-jc8hr 3 года назад +6

    Congratulations 200K 🥳🥳

  • @avichoudhary0
    @avichoudhary0 3 года назад +33

    Exception in chemistry be like : brother brother idhar.. 😄

  • @economics1172
    @economics1172 3 года назад +62

    Mam u r the best chemistry teacher.... 😍😍Eagerly waited for ur lectures for so many days.. Finally u came..

    • @gayaffr031
      @gayaffr031 3 года назад +2

      You are right

    • @clevermindcraft8002
      @clevermindcraft8002 3 года назад +3

      Mam ko hi pura chemistry pdhana chahiye

    • @gayaffr031
      @gayaffr031 3 года назад +2

      @@clevermindcraft8002 ha bahi

    • @djraj9905
      @djraj9905 3 года назад

      Can isc students also study this chapter from this series?

  • @abhishekmahajan4300
    @abhishekmahajan4300 Год назад +2

    Dhanyavad Devi apke Charan kamlo me Mera shat shat naman.🙏🙏🙏🙏🙏🙏

    • @SukuNaa45
      @SukuNaa45 Год назад

      Tathastu vaths 👸👸

  • @anant2048
    @anant2048 3 года назад +3

    Mam aap ek Sincere student jesi lagti ho

  • @SandhyaKumari-vu2rt
    @SandhyaKumari-vu2rt 7 месяцев назад +1

    Thank you mam❤❤ 1:41:57

  • @kanishkadadhich653
    @kanishkadadhich653 3 года назад +23

    awsm lecture mam...every point is clear

  • @vagmine_.vartika
    @vagmine_.vartika 3 года назад +4

    Aap bhut achaa padhate ho ma'am I wish mere school wale chemistry teacher ese hote😕😕

    • @ashutosh_mishra_lko
      @ashutosh_mishra_lko 3 года назад

      School wale aise hote to coaching ka trend hi nahi aata 😅

  • @pallavipandey2454
    @pallavipandey2454 3 года назад +25

    thank u so much mam for teaching us .You are bestest teacher of chemistry

  • @harshkharwar5951
    @harshkharwar5951 3 года назад +15

    I AM LAKSHYA BATCH STUDENT , I WANT TO SAY PW=QUALITY EDU.
    AS THE LEVEL OF CONTENT IN LAKSHYA BATCH AND SANKALP BATH(THIS BATCH*) IS SAME . HATS OFF TO PW 🥇🔥🔥🔥

  • @anshnamdev650
    @anshnamdev650 3 года назад +7

    Thanku very much mam for this lecture😍 and heartfelt thanks to alakh sir for introducting such a great teacher👩‍🏫‍ 😇

  • @vishwajeet_2.0
    @vishwajeet_2.0 3 года назад +15

    Found this in right time.
    Excellent teaching technique.
    Now it's easy for me to study p block
    Thank u mam☺️

  • @neerajbawa1990
    @neerajbawa1990 3 года назад +8

    Mind-blowing explaination in easy way...thanku so much mam

  • @swatimishra7838
    @swatimishra7838 3 года назад

    Thank you mam finally you tube pe aysa class mila Jo ncert line by line pdha RHA

  • @Mantasha_syed2
    @Mantasha_syed2 3 года назад +10

    😍😍mam wow a lady with real beauty❤and example of success and beauty luv uh mam💚💚🌺

  • @mafia_iq7694
    @mafia_iq7694 2 года назад

    Yaar mam kitni awesome ha
    Itna asani se p block kaun padhata ❤️
    Thnx for the lesson ☺️

  • @achintyagupta4374
    @achintyagupta4374 3 года назад +17

    Ashima ma'am, thank you so much. Your teaching style is too good.

  • @nseema300
    @nseema300 2 года назад +1

    Bahut Sundar Mam
    😊apne teach karwaya 🙏👍👍👍🙏

  • @phoenix5195
    @phoenix5195 3 года назад +13

    TY SO MUCH MA'AM FOR THIS AWESOME SESSION😊😊😊😊🥰

  • @nitashreetalukdar3333
    @nitashreetalukdar3333 3 года назад +2

    I have no words to appreciate you🥺

  • @massgamer5486
    @massgamer5486 3 года назад +6

    Thank you so much mam u have cleared all my doubts ...I was very worried about it because none of my friends r ready to teach me my doubts .. but when I saw this lecture I feel much comfortable than before🥰🥰....u r queen of chemistry

    • @Shivshambhu098
      @Shivshambhu098 2 года назад +1

      Can we able to solve all the Questions

    • @massgamer5486
      @massgamer5486 2 года назад +1

      @@Shivshambhu098 yes make notes of the lecture and this is more than enough for even jee mains

    • @Shivshambhu098
      @Shivshambhu098 2 года назад

      @@massgamer5486 Neet Ke liye sufficient hai na?

    • @jannat6500
      @jannat6500 2 года назад

      @@Shivshambhu098 i think yess

    • @vishwajeetkandelkar2316
      @vishwajeetkandelkar2316 10 месяцев назад

      Mam is teaching according to neet or board syllabus ??? Please tell me .

  • @baddad6407
    @baddad6407 3 года назад +2

    You are best aashima mam thanku 😘so much 💕💕💕💕💕

  • @msherpa4070
    @msherpa4070 3 года назад +7

    Thanks maam for a crystal clear explanation..

  • @prabhjotsingh9872
    @prabhjotsingh9872 3 года назад +2

    I loved your video💖watching your video first time ..... best channel for study

  • @bhawanamaurya3880
    @bhawanamaurya3880 3 года назад +91

    0:15 look at the board.
    Kya apne notice kiya😅😅😂.
    How he roll down🤣🤣🤣

  • @barunyadav1119
    @barunyadav1119 3 года назад +1

    You are such a beautiful teacher❤ with knowledgeable mind

  • @nirajpaswanar...4564
    @nirajpaswanar...4564 3 года назад +7

    Thanks for the quality education,,,,, Best teacher ❤️............. chemistry is a boring subject but you make it interesting...........

  • @riddhichoudhary6450
    @riddhichoudhary6450 5 месяцев назад

    Excellent teacher for inorganic chemistry ❤ amazing explanation

  • @SahilRaj-zl5qf
    @SahilRaj-zl5qf 3 года назад +4

    Kya concept hai mam.. 😇😇🙋😇

  • @englishcommunicationskills2769
    @englishcommunicationskills2769 2 года назад +2

    Omg such a brilliant way of teaching 👏 thanks a million ashima mam😍😍

  • @harshchauhan4185
    @harshchauhan4185 3 года назад +12

    👍👍Really mam you clear my all doubts and now all concepts are crystal clear 😍😍❤️❤️

  • @twinkle3226
    @twinkle3226 2 года назад +1

    What a teach mam such wonderful 👍 because without attempt of class 11th complete feel of chemistry so grate ❤️

    • @jayphysic
      @jayphysic Год назад

      Hiii mam could I get these notes .... Please guide me... You are the only one who watched in this sessi

  • @priyajasminetoppo
    @priyajasminetoppo 3 года назад +5

    Thank you so much Ma'am 🙏🙏

  • @captaincool2992
    @captaincool2992 Год назад

    Q- Reactivity towards metals.
    Na³As in ncert but ma'am write Na³As² which one is correct

  • @shelly0938
    @shelly0938 3 года назад +5

    Thanks mam for going according to term 1 .. 😊😊

  • @sagargamer982
    @sagargamer982 Год назад

    Legendary mam☺😊 the best teacher of p block elements

  • @itsGurjar315
    @itsGurjar315 3 года назад +4

    This will be in pattern of MCQ based questions plz mam upload video related to MCQ based questions
    Session 2021-2022

  • @arvindmauryakkt2507
    @arvindmauryakkt2507 3 года назад +2

    1:32:00 how can nitrogen be pentavalent in N2O5

  • @usharaninayak8113
    @usharaninayak8113 2 года назад +2

    U are the best lecture of this chapter 💌

  • @amitshukla9637
    @amitshukla9637 3 года назад +6

    Easy and effective explanation
    Thank you mam🙏

  • @sayedmaria8685
    @sayedmaria8685 3 года назад

    Thankyou mam ❤️❤️❤️❤️❣️❣️
    Mam mai first time chemistry youtube padh rahi hun❤️🖤🖤

  • @chelseathakur9312
    @chelseathakur9312 3 года назад +38

    ❤i think it would greatly help us to cover the backlog of 11th class too❤

  • @waniyousuf4231
    @waniyousuf4231 3 года назад +3

    Your teaching is so good

  • @arohirajputmedico9863
    @arohirajputmedico9863 3 года назад +8

    Really u r🙏 great alakh sir ........u r providing us a lots of batch for our preparation ....and all the teachers of pw is amazing .....love u sir ❤️❤️❤️❤️❤️ for supporting us to much🙏

  • @ratnamalakhade9660
    @ratnamalakhade9660 5 месяцев назад +1

    Mam you are so beautiful and your teaching is amazing 😊

  • @rajeshupadhyay8258
    @rajeshupadhyay8258 3 года назад +7

    The way you explains, i just loved it

  • @lakshmiprasanna5012
    @lakshmiprasanna5012 2 года назад +1

    Mam if N single bond N is weak and inter electron repulsions are high then how could N Triple bond N be stable?

  • @shivajitheboss6661
    @shivajitheboss6661 3 года назад +6

    Salute to energy..........

  • @farzamhussain398
    @farzamhussain398 3 года назад +2

    What a teacher👩 maam you are amazing👍😍

  • @LastMinuteHelps
    @LastMinuteHelps 3 года назад +11

    Well explained mam...😍
    U rocked...
    Waiting for lecture 2

  • @shubhamkumbhar9767
    @shubhamkumbhar9767 3 года назад +2

    Nice lecture mam. Really it is very helpful to me.Thanks from bottom of my heart.

  • @Shail_jaiswal_2
    @Shail_jaiswal_2 3 года назад +6

    Osm you are and your teaching way🥳❤️

  • @piyushjaiswal5115
    @piyushjaiswal5115 2 года назад

    Mam aapke krn mera p block bhut achi trh se clear ho gya h🥺😊

  • @sohamchakraborty9147
    @sohamchakraborty9147 3 года назад +3

    Thanks mam 🙏 , getting lot of help from your lectures for the preparation for board exam. Thanks a lot 🙏🙏🙏🙏

  • @xhddh6438
    @xhddh6438 2 года назад +2

    Thanks a lot mam , i could never understand the logic in the exceptional cases like melting and boiling points and oxidation numbers that how they changed but u explained them very very well

  • @anujyadav-bn1ve
    @anujyadav-bn1ve 3 года назад +27

    Thank you mam for taking this amazing lecture 🙏❤️❤️❤️

  • @sakshi_sharma465
    @sakshi_sharma465 2 года назад +1

    Thanks to you clear my all doubt about p _ block elements

  • @saurabh356
    @saurabh356 3 года назад +260

    Exception se kota factory ki yaad aa gyi😂😂🥺

    • @hyperbear757
      @hyperbear757 3 года назад +10

      Bhai kitne exceptions dikh gaye tumhe is lecture me
      Bas ye sab excuse he na padhne ke

    • @saurabh356
      @saurabh356 3 года назад +2

      @@hyperbear757 Yess😃👍

    • @chiragsengar2025
      @chiragsengar2025 3 года назад +2

      @@hyperbear757 sahi kaha bhai

    • @hyperbear757
      @hyperbear757 3 года назад +2

      @@chiragsengar2025 hmm

    • @rostrover2051
      @rostrover2051 3 года назад +2

      Kasam se gjb👻

  • @pragyakatiyar9316
    @pragyakatiyar9316 3 года назад +2

    👌👌👌
    👏👏👏👏
    great teacher
    with great teaching way.

  • @Aloksingh-nf7ly
    @Aloksingh-nf7ly 3 года назад +6

    Thank you mam ❤️❤️❤️

  • @BhushanDhudekar-vr2hz
    @BhushanDhudekar-vr2hz 11 месяцев назад +1

    Super class teacher . All concepts are clear ❤

  • @namaskargurujicomputers5687
    @namaskargurujicomputers5687 3 года назад +1

    And Indian Saltpeter साल्टपीटर is भारतीय शोर

  • @stanbts_army1897
    @stanbts_army1897 3 года назад +3

    Your really great mam
    aap se padhne main chem bhot easy lagti hain 💜

  • @sabinashaikh7462
    @sabinashaikh7462 2 месяца назад +1

    Happy teacher's day mam

  • @ndamotivationelan3405
    @ndamotivationelan3405 3 года назад +4

    Ma'am app bahut accha padhate ho mai up board se ho ma'am par app se padh kar mujhe samajh ata hai ma'am Jai sri Krishna ma'am ji 🙏🙏🙏🙏❤️❤️👍🏻👍🏻❤️❤️❤️

    • @AshimaGupta_AG
      @AshimaGupta_AG 3 года назад +4

      Jai shree krishna ! Hare rama hare krishna

    • @shivi7177
      @shivi7177 3 года назад

      @@AshimaGupta_AG mam kya reduced topics nhi karaye jayenge??

    • @grignardreagent2molpanipan299
      @grignardreagent2molpanipan299 3 года назад

      @@shivi7177 kara to rahe hai reduced ncert wallah hai na ki cbse wallah

    • @shivi7177
      @shivi7177 3 года назад

      @@grignardreagent2molpanipan299 agar puch liya toh koi prblm h kya

    • @grignardreagent2molpanipan299
      @grignardreagent2molpanipan299 3 года назад

      @@shivi7177 nhi Munna bhai style 🤣

  • @rishabhagnihotri4209
    @rishabhagnihotri4209 3 года назад +1

    Aashima ma'am OP in the chat !!! ❤️🙏🏻💥🤩🤩

  • @rushdaalam024
    @rushdaalam024 3 года назад +3

    Thankyou ma'am. This is really helpful

  • @funnyphysics5890
    @funnyphysics5890 3 года назад +1

    Mam you are the best teacher.