Class 7|STRUCTURE OF MATTER | Valency|Chemistry|SUPRIYA RAI | Living Science 7|Balancing Equation

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  • Опубликовано: 23 июн 2021
  • Hello everyone,
    This video contain the complete explanation of CHAPTER 3 - "STRUCTURE OF MATTER " of CLASS 7.
    I HAVE COVER THE FOLLOWING TOPIC-
    MATTER
    VALENCY
    CHEMICAL EQUATIONS
    FORMULA WRITING
    NOTE- VALENCY OF HELIUM WILL BE 0.
    video at 16 min 5sec.
    SORRY OF INCONVENIENCE.
    Please must watch the complete video to understand the chapter.
    If you like this video Don't forget to LIKE, SHARE AND SUBSCRIBE MY CHANNEL
    #structureofmatter #supriyarai #chemistry #class7 #valency

Комментарии • 141

  • @SupriyaRai1312
    @SupriyaRai1312  3 года назад +34

    Valency of helium is 0
    But by mistake in this video it is 2.
    🙏🙏

  • @Crocz371
    @Crocz371 Год назад +9

    People who can’t do the homework read this comment:
    Zn+HCl -> ZnCl2+H2
    Zn=1, H=1, Cl=1
    Zn=1, Cl=2, H=2
    Answer:-
    Zn+2HCl=ZnCl2+H2
    Zn=1, H=2, Cl=2
    Zn=1, Cl=2, H=2
    I’m very sure this answer is correct

  • @arsclasses4999
    @arsclasses4999 3 года назад +6

    I have understood by the video maam.

  • @sarojyadav2733
    @sarojyadav2733 3 года назад +11

    Thank u for the video ma'am . It's very useful ❤️❤️

  • @mariyahr
    @mariyahr Год назад +4

    ❤❤❤❤❤ best explanation ever .. thank you infinite times

  • @makeitunique5167
    @makeitunique5167 3 года назад +10

    Thankyou mam 👍mam it's more understandable 👍

  • @vaibhavkulhade1665
    @vaibhavkulhade1665 2 года назад +3

    Thanks againagain againagainagainagainagainagainagainagainagainagainagainagainagainagain valecey table sikhanna ka Liya thank you

  • @nancyrai26
    @nancyrai26 Год назад +3

    Thankyou very very much it really helped 😊♥️

  • @Not-my_boy
    @Not-my_boy Год назад +3

    Mam it is very easy to understand
    Thank you mam ✨

  • @Baby_a.k
    @Baby_a.k 3 года назад +3

    I have understood mam

  • @queenrishu3020
    @queenrishu3020 Год назад +3

    Mam how wonderfully you have explained💟✨

  • @GalaxyVoltic
    @GalaxyVoltic 2 года назад +2

    Mam am one of your students and Thank you for the explanation

  • @UPSC_WAALALADKA
    @UPSC_WAALALADKA 3 года назад +4

    Mam I am samarth nayak mam I have some doubt but it is solved now because of this vedio

  • @user-jm5ox7te9x
    @user-jm5ox7te9x 10 месяцев назад +1

    It seemed to hard chapter before watching this video but after it I thought that ,wow!! such a easy chapter.
    Thanks mam❤❤

  • @radhayadav1621
    @radhayadav1621 3 года назад +2

    Mam very interesting chapter

  • @pushparani1291
    @pushparani1291 2 года назад +3

    Nice 👏

  • @HeritageClassroom
    @HeritageClassroom Год назад +1

    i really understood everything now

  • @vandhanabhool8787
    @vandhanabhool8787 2 года назад +4

    Your explanation mam wow,😲😲😲😲 ma'am aapki explanation bahut hi acchi hai . Well done 👍🏻✅ 💐🌹

  • @Angel_5647
    @Angel_5647 10 месяцев назад +2

    A round of applause for your explanation ❤◉⁠‿⁠◉(⁠✿⁠^⁠‿⁠^⁠)

    • @SupriyaRai1312
      @SupriyaRai1312  10 месяцев назад +1

      Thank you so much 🙏🙏

    • @Angel_5647
      @Angel_5647 10 месяцев назад +1

      @@SupriyaRai1312 welcome mam

  • @harshhh__yadav
    @harshhh__yadav 2 года назад +1

    thanks mam for uploading this vdo..

  • @tirlokchand8616
    @tirlokchand8616 2 месяца назад +3

    Mam it is not called criss cross it is called cross multipky

  • @akbhatt6799
    @akbhatt6799 2 года назад +1

    Thank mam bhut help mili😊

  • @Iam_COOL1658
    @Iam_COOL1658 9 месяцев назад +2

    Thanks for explanation!

  • @madhusrijaghosh5981
    @madhusrijaghosh5981 2 года назад +1

    Mam is there any formula to find out atomic no. or we have to learn them ?

    • @SupriyaRai1312
      @SupriyaRai1312  2 года назад +2

      In class 7 you have to learn it.
      But , atomic number = number of protons

  • @_ytuser11
    @_ytuser11 2 года назад +1

    Thank u so much mam 🙂

  • @sadafsadaf3912
    @sadafsadaf3912 3 года назад +1

    Thank you ma'am

  • @Bhat_rayan
    @Bhat_rayan 2 года назад +1

    Thaku so much mam

  • @akkidabot7256
    @akkidabot7256 Год назад

    Ma'am is so good english. 👍👍

  • @shikharrai7264
    @shikharrai7264 9 месяцев назад +2

    Hello ma'am I am Shikhar Rai of class 7 I study in RPM ACADEMY

    • @shikharrai7264
      @shikharrai7264 9 месяцев назад

      It is very easy to understand
      Thank You Mam

  • @bankersworld3588
    @bankersworld3588 Месяц назад +2

    Mam please continue your lectures 🙏

    • @SupriyaRai1312
      @SupriyaRai1312  Месяц назад

      Which chapter??

    • @prachimehra2507
      @prachimehra2507 Месяц назад +1

      Chapter 4

    • @SupriyaRai1312
      @SupriyaRai1312  Месяц назад

      @@prachimehra2507 please check the link 👉ruclips.net/video/VC-YsoFQlv4/видео.htmlsi=uE0euoJtnJVwfGk9
      👉 ruclips.net/video/sMCLJOV6n4k/видео.htmlsi=DfVQIUWn_6jJtdVg

  • @rajendrakumarvishwakarma4515
    @rajendrakumarvishwakarma4515 2 года назад +1

    Nice 👍

  • @factswalaboywhichmakeyougm4006
    @factswalaboywhichmakeyougm4006 3 года назад +2

    Mam make video on class 8 also

  • @aditirai6488
    @aditirai6488 10 месяцев назад +1

    Mam how to find the valency of sodium

  • @comfortmusic6965
    @comfortmusic6965 6 месяцев назад

    😊

  • @harpreetkaur608
    @harpreetkaur608 3 года назад +2

    Ma'am please explain balance the equation easily

  • @factswalaboywhichmakeyougm4006
    @factswalaboywhichmakeyougm4006 3 года назад +1

    Thank you

  • @cherrytaetae9121
    @cherrytaetae9121 3 года назад +1

    Mam it is very nice video

  • @aditirai6488
    @aditirai6488 10 месяцев назад +1

    Mam sodium oxide forumula is Na2O twice

  • @firoznawas1516
    @firoznawas1516 2 года назад +2

    It was a very helpful vdo..❤️🙂
    Tnx for it!💯

  • @user-ey1ps3sh8o
    @user-ey1ps3sh8o 8 месяцев назад

    😮

  • @cutestonepihu7792
    @cutestonepihu7792 2 года назад +1

    Thank you mam

  • @Anime..Editzz
    @Anime..Editzz Год назад +2

    Zn + 2HCl -----> ZnCl2 + H2

  • @anushkarawat3451
    @anushkarawat3451 Год назад

    ❤❤❤❤❤❤❤❤❤❤❤❤❤.

  • @vivaandhablania5304
    @vivaandhablania5304 Год назад

    thank you maam it helped alot

  • @monasingh5057
    @monasingh5057 2 года назад +1

    Ma'am actually I am not getting what is valency and please if u r able be explain me or can u make a seperate video for valency it will help me a lot ma'am... And all my doubts are clear except valency so ma'am please make next video in valency
    Thank you

    • @SupriyaRai1312
      @SupriyaRai1312  2 года назад +1

      Valency is the number of atom present in an element which combine with other element .

    • @monasingh5057
      @monasingh5057 2 года назад +1

      Mam yes i got this but the use of valency

    • @monasingh5057
      @monasingh5057 2 года назад +1

      Which u had told with 4 or 5 examples

  • @user-rv6ie7mo2z
    @user-rv6ie7mo2z 4 месяца назад +1

    Thank you mam ❤️❤️

  • @HeritageClassroom
    @HeritageClassroom Год назад

    i have understood

  • @katemelcabral1459
    @katemelcabral1459 Год назад +2

    *me trying to find the HW. sum answer in the chat* but the video was very good this chapter was taught in our school but i didn't understand
    then, I watched your video Teacher and I understood everything.
    SO THANK YOU!

  • @archijain6735
    @archijain6735 Год назад

    Thanks 🙏🙏

  • @user-cw6zv4uu3i
    @user-cw6zv4uu3i 5 месяцев назад +1

    Mam the homework's answer is Zn 1,H4,Cl2.

  • @Artz_Animeeeee
    @Artz_Animeeeee Год назад +2

    'I love you ' 1kg
    'l hate you ' 2kg
    😂😂😂

  • @gamingstufftf5340
    @gamingstufftf5340 2 года назад +1

    mam u speak very slow and u teach very super

  • @savitabamal8763
    @savitabamal8763 10 месяцев назад

    1:36 , Feelings occupy space in our mind 😂

  • @crazyeditxs
    @crazyeditxs Год назад

    mam please make videos for all chapters 🙏🏻

  • @ishikapatel6773
    @ishikapatel6773 2 года назад +2

    Useful video 👍👍

  • @jawag512
    @jawag512 Год назад +1

    Mam answer fo homework is zn+2(HCl). Is my answer is correct

  • @anubhasingh4717
    @anubhasingh4717 Год назад

    Very useful

  • @ashoksingh-jb5sp
    @ashoksingh-jb5sp 10 месяцев назад +1

    I am rpm student civil lines class 7

  • @ravikumar-kl6xx
    @ravikumar-kl6xx Месяц назад +1

    Hh

  • @sumanyavlogs2011
    @sumanyavlogs2011 6 месяцев назад +1

    Before watching this video i was really very much frustrated for this chapter...❤

    • @SupriyaRai1312
      @SupriyaRai1312  6 месяцев назад

      I am glad that this video helped you 🙏🙏

  • @SonaDevi-ob9fx
    @SonaDevi-ob9fx 4 месяца назад +2

    Zn+2HCL=ZnCl2+H2

  • @BeeNaren
    @BeeNaren 2 месяца назад +1

    Do you teach online? grade 7 science

    • @SupriyaRai1312
      @SupriyaRai1312  2 месяца назад +1

      No online teaching.Only videos are available.

  • @jayantidevi7803
    @jayantidevi7803 9 дней назад

    3:52 Mistake molecules exist independently and elements does not exist independently 😅😅

  • @rubykumari462
    @rubykumari462 12 дней назад

    Mam how it comes NH3

  • @monisasingha4748
    @monisasingha4748 Год назад

    Maam how elements are stable

    • @SupriyaRai1312
      @SupriyaRai1312  Год назад

      Elements are stable when the shell or outermost shell is completed.

    • @monisasingha4748
      @monisasingha4748 Год назад

      @@SupriyaRai1312 thank you so muchhhhhhhhh ma'am

  • @minakshiminakshi9074
    @minakshiminakshi9074 Год назад

    😢 but mam great Indian sage kanada first who find the matter

  • @akshajsrivastava5074
    @akshajsrivastava5074 Год назад +1

    Zn+2HCl -> ZnCl2+H2

  • @jawag512
    @jawag512 Год назад

    Zn+2HCl = ZnCl2+HE is my answer correct mam

  • @user-pu6ps1ln9g
    @user-pu6ps1ln9g 11 месяцев назад

    Zn+HCL it gives ZnCl²+H²

  • @Streetdogjacky7484
    @Streetdogjacky7484 2 года назад +2

    Please explain chapter's in hindi

  • @AcidickOfficial
    @AcidickOfficial Год назад

    Mam everything is clear but valency I am feeling confusing

    • @SupriyaRai1312
      @SupriyaRai1312  Год назад

      May I know the confusion???

    • @AcidickOfficial
      @AcidickOfficial Год назад

      @@SupriyaRai1312 i want to know that how you found the valency

    • @SupriyaRai1312
      @SupriyaRai1312  Год назад

      @@AcidickOfficial please watch the video carefully I have taught in this video.🙏

    • @AcidickOfficial
      @AcidickOfficial Год назад

      @@SupriyaRai1312 ok mam

  • @mysterygameyoutubechannel3188
    @mysterygameyoutubechannel3188 2 месяца назад +1

    Moye moye

  • @ravikumar-kl6xx
    @ravikumar-kl6xx Месяц назад +1

    Hi🎉

  • @durgeshrajput6315
    @durgeshrajput6315 2 года назад +1

    Exercise answer batao

  • @SQUARESTUDYPOINT
    @SQUARESTUDYPOINT Год назад

    Hy

  • @aadityakumar5980
    @aadityakumar5980 2 месяца назад

    Mader mam

  • @chahakgupta6821
    @chahakgupta6821 Год назад

    There is nothing like bromium in periodic table correct it

  • @jayantidevi7803
    @jayantidevi7803 9 дней назад

    Pura mistakes hi mistakes hai 😅😅😅😅mat paddo 😂😂😂

  • @infinityzgaming8859
    @infinityzgaming8859 6 месяцев назад

    Galat padaya hai mam

  • @VS_Blitz_Hub_07
    @VS_Blitz_Hub_07 Год назад +1

    Balanced equation teaching was very confusing...

  • @vandanapandey7011
    @vandanapandey7011 2 года назад +1

    No

  • @harpreetkaur608
    @harpreetkaur608 3 года назад +2

    Ma'am class 7 chapter 4,5 and 6

  • @AjayKumar-ly1wk
    @AjayKumar-ly1wk 2 года назад +1

    M am your voice is so badd
    i can't listen it sorry
    and you can't explain well also

  • @chitratiwari7067
    @chitratiwari7067 Год назад

    Mam you are teaching wrong

  • @SR-mf6fw
    @SR-mf6fw 2 года назад +2

    Helpful video 🙏
    Thank you so much ma'am 👏👏