Classification of Elements & Periodicity in Properties Class 11 Chemistry One Shot| NCERT Cha 3 CBSE

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Timestamps: 0:00​ Introduction 1:25​ Why Periodic Table? 3:08​ History of Periodic Table 4:55​ Mendeleev’s Periodic Law 15:44​ Nomenclature of Elements 18:12​ Notation for IUPAC Nomenclature of Elements 20:01​ Where to place new elements? 21:41​ Electronic Configuration in periods 24:06​ Block-wise Electronic Configuration 25:02​ s-Block Elements 28:16​ p-Block Elements 31:02​ d-Block Elements 34:26​ f-Block Elements 36:21​ Electronic Configuration along Groups 39:53​ Metals, Non-metals and Metalloids 41:55​ Metallic Character Trend 48:25​ Physical Character Trend 49:00​ Atomic Radius Trend 53:19​ Ionic Radius Trend 56:51​ Iso-electronic Species 59:18​ Ionization Enthalpy 1:03:31​ Compare First Ionisation Enthalpy 1:09:37​ Electron Gain Enthalpy 1:15:48​ Exception 1:19:11​ Electronegativity 1:24:19​ Trends in the Modern Periodic Table: Physical Properties 1:26:23​ Chemical Properties 1:27:03​ Oxidation State 1:28:09​ How to find oxidation state? 1:30:04​ Oxidation state/Valence: Example 1:32:22​ Anomalous Properties of second period elements 1:35:36​ Periodic Trends and Chemical Reactivity

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Timestamps 0:00​ Introduction 0:43​ Periodic table 2:27​ History of Periodic table 4:36​ Mendeleev’s periodic table 8:14​ Modern Periodic Table 15:13​ Nomenclature of elements 19:30​ Where to place new elements? 21:10​ Electronic configurations in Periods 23:06​ Where to place new elements? 23:37​ Block-wise electronic configuration 24:27​ S Block Elements 27:45​ P Block Elements 30:31​ D Block Elements 33:57​ F Block Elements 35:50​ Electronic configuration along Groups 39:29​ Metals, Non-Metals & Metalloids 41:30​ Metallic Character Trend 48:03​ Physical Character Trend 48:35​ Atomic radius Trend 52:56​ Ionic radius Trend 56:28​ Isoelectronic Species 58:58​ Ionization Enthalpy 1:03:05​ Compare Ionization Enthalpy 1:09:21​ Electron gain Enthalpy 1:18:55​ Electronegativity 1:24:01​ Physical Properties 1:26:06​ Chemical Properties/Oxidation States 1:32:03​ Properties of second period elements Like my work 😊

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The previous chapter video was best, but this chapter video is not so good, you are skipping the topics, not going into deep, I request you to cover chapters in the same way that you had done with ch2. I know it's more difficult and time consuming but it is also very effective. Thank you

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20:25 did u notice the starnum under germanium 😂😅 2) notice the xenon in 32:27

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40:14 + nobel gasses also

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Every concept is clear but chemical properties trend is not crystal clear 😢

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Mam for ionization enthlpy exeptions N and O N has half filled orbital so the stability will be more therefore this can also be a reason for having more ionization enthalpy than o

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Mam when we add 18 in Xe 54 atom the n we didn't get Rn 86😢 This contradicts your theory

[@anilguptta1908]

When we talk about noble gases, we skip 2 in the order 2-8-8-18-18-32. So, the order for noble gases becomes-8-8-18-18-32. So,--> He=2 -->Ne=10 (2+8) -->Ar=18 (10+8) -->Kr=36 (18+18) -->Xe=54 (36+18) --> Rn=86 (54+32) Hope it clears your doubt.

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School started like 14 days ago and my coaching,like a long time ago(April).. They have alrdy started 4th chapters in every subject in my coaching but am not even done completely with the concepts in 2nd-3rd chapters😭 and again this school takes away another bunch of hrs😢 Srsly idk what to do🤕

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Us

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Us

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Mam aapne video me jitna btaya h usme sari ncert ki details cover ho gai h na ?

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Mam notes kon likhwaega

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Mam notes kha se dekhe ..?

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Mam kya aap suru se hi english medium m pdhe ho science ko

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Can anyone plzz tell that any topic is deleted from this chapter by CBSE board

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Thank you mam you are such a great aap ne toh Aalakh sir ko bhi piche chod diya😅

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3:31 voice changes for a second

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Kal exam hai abhi padh Raha hu 😢

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Mam kya is video me sab topics cover here h

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Is it enough for neet??

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no also read ncert

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thanks for the best learcher 😍😘😗🥰😇

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Mam bohot Sara skip kiya h topics

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26:45 😂 humne kaha yaar tumhari properties kuch halogens ki hai kuch kisi aur ki hai, 😂 to hum tume kisi me nhi dalenge 😂😂

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I m in 12th standard and revise for 4th chapter start 😅😢😢