Structure of Atom Class 9 Easiest Full Chapter in One-Shot Explanation in Hindi | Just Padhle

Structure of Atom Class 9 Easiest Full Chapter in One-Shot Explanation in Hindi | Just Padhle

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[Wonderz._.sthetic]

Class 9 batch of 2023-24..❤(legends😂)
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[Vjneansly]

Here is the summary. (Save time)
2:25 Discovery in the Field of Atoms.
4:46 Sub-atomic particles
10:28 Numbers/Symbols related to atoms.
15:15 Model of an atom- Thompson's model
19:29 Rutherford's model of an atom.
32:36 Bohr's model
33:26 Energy Shells
32:15 Neutrons
35:04 Electronic distribution
40:12 Valency
51:51 Compounds formation
57:22 Mass number/Atomic Number
1:00:16 Isotopes/Isobars/Isotones

[LastHatake]

2024 batch 🙋🙋‍♀️

Edit:Mom your garbage is famous now😎

[svhxs]

🎯 Key Takeaways for quick navigation:

01:30 🧠 *Concepts are introduced in the second chapter, and climaxes of those concepts are revealed in subsequent chapters, creating an interconnected structure.*
03:38 🏛️ *The video delves into the structure of the atom, explaining the journey of scientific discovery that led to the current understanding.*
09:16 🌐 *The mass of protons and neutrons is approximately 1000 times greater than the mass of electrons, explaining why atomic mass is primarily determined by protons and neutrons.*
11:56 🤓 *Remembering that 'A' stands for atomic number in the alphabet and 'S' is for mass number aids in understanding and distinguishing these two important characteristics of atoms.*
12:25 ⚖️ *If 'A' is not the atomic number, then 'A' is the mass number, and 'Z' is the atomic number.*
12:39 ⚡ *Atomic number is the total number of electrons and protons in a given element.*
13:22 ⚛️ *Atomic number can be any positive integer, representing the number of protons in an atom.*
13:47 🤔 *When in doubt, consider the number of protons in the atom to determine the atomic number.*
14:45 🔄 *Choose the mass of an atom by considering protons and neutrons, as electrons have negligible mass.*
15:00 📚 *Formula: Mass Number = Number of Neutrons + Number of Protons.*
15:14 🧬 *Early atomic models, like Thomson, Rutherford, and Bohr, helped understand atomic structure.*
15:54 🧲 *Thomson's model was simple, considering an atom as a positively charged sphere like a watermelon. It lacked details about subatomic particles.*
16:23 🤔 *Thomson proposed a model where atoms resembled a positively charged sphere with electrons embedded, akin to fruits within a pudding.*
16:49 💡 *Rutherford's model corrected Thomson's by suggesting a concentrated positive charge at the atom's center (nucleus) and electrons surrounding it.*
17:17 ⚖️ *Rutherford's model explained that electrons orbit the nucleus, and atoms are electrically neutral, with equal positive and negative charges.*
18:02 🌐 *Electrons were introduced by Thomson, identified as negatively charged particles; later, Rutherford explained the atomic structure, including protons.*
19:12 🌌 *Rutherford's model, based on the gold foil experiment, revealed that atoms have a concentrated positive charge (nucleus) and are mostly empty space.*
19:27 🧪 *Rutherford challenged Thomson's atomic model through experiments, emphasizing practical demonstration.*
23:26 ⚛️ *Gold atoms act as a target, and the experiment involves studying the deflection of alpha particles when they collide with gold atoms.*
23:42 🔍 *Magnification of the atomic level reveals interactions and collisions, helping understand the behavior of particles like helium within atoms.*
24:24 📏 *The thickness (thikness) of the gold foil is crucial for the experiment, as extremely thin sheets allow for interactions and observations at the atomic level.*
26:22 🌐 *The choice of gold foil facilitates the examination of atomic structures by focusing on the maximum properties of atoms and their spatial distribution.*
26:50 🤔 *Helium (He) has a positive charge, and if an alpha particle deflects, it indicates an interaction with a positive charge.*
27:05 ⚖️ *Understanding the principles of attraction and repulsion: North pole repels north pole but attracts south pole; similarly, positive charges repel, and opposite charges attract.*
27:19 🔄 *Helium (He) moving towards another positive charge implies a change in direction, indicating a collision or deflection.*
28:01 🎯 *The concept of a "nucleus" arises, emphasizing that positive charge and mass are centrally located, surrounded by mostly empty space.*
29:25 🌌 *Bohr's model: Nucleus as the proton-containing center, electrons orbiting with constant velocity, addressing issues raised by Max Planck.*
30:48 💡 *Acceleration causes a decrease in personal energy over time, impacting the stability of charged particles.*
33:44 🌐 *The video discusses the arrangement of electrons in different orbitals around the nucleus, using the example of KLAMN notation.*
33:58 ⚛️ *The concept of representing orbitals with quantum numbers (n, l, m, s) is introduced, determining the location and distribution of electrons.*
34:54 ⚡ *Understanding how electrons are distributed in different orbitals within an atom is essential for comprehending the structure of atoms and molecules.*
35:09 📚 *The speaker illustrates the distribution of electrons in orbitals using sodium (Na) as an example, referring to the periodic table for information.*
35:23 🌐 *The video emphasizes the importance of understanding the concept of electron distribution in orbitals for grasping atomic structure.*
36:06 🌌 *Comparing the sizes of different orbitals and colonies to convey the concept that more distant orbitals can accommodate more electrons.*
37:02 🧮 *Bohr's formula determines the capacity of electron shells: \(2n^2\), where \(n\) is the shell number.*
37:31 📚 *Understanding electron distribution in shells using the formula \(2n^2\): first shell (2 electrons), second shell (8 electrons), third shell (18 electrons), and so on.*
38:41 🏡 *Analogy of electron filling with building colonies, where the first one is filled, then the next, creating stability.*
39:53 🤔 *Valency discussion: Valency is the combining capacity of an atom, focusing on stability in the outermost shell.*
41:47 🛠️ *Stability in life is akin to atoms seeking stability. Atoms also desire stability, and stability for them means completing the octet rule.*
42:22 🧠 *The octet rule implies that atoms aim to fill their outermost shell with eight electrons, ensuring stability.*
42:36 🌐 *Achieving stability is about filling the outermost shell; exceptions exist for elements with only two electrons in their outer shell.*
42:51 🧪 *Atoms with more than two electrons follow the octet rule, prioritizing stability by filling their outermost shell.*
43:32 🧮 *Balancing electrons involves determining the needed electrons for stability, considering the existing electrons in the atom.*
43:54 ⚖️ *Using the example of sodium, with 11 electrons, balancing involves filling the outermost shell and determining the electrons required in subsequent shells.*
44:22 🤔 *Understanding the electron distribution in successive shells helps determine the stability of an atom and its fulfillment of the octet rule.*
45:16 🤯 *Sodium's options with an extra electron and understanding electronic configuration.*
45:46 💡 *Simplified explanation of sodium's electronic configuration.*
46:58 🧠 *Drawing an analogy with choosing between a heavy and light box to understand sodium's preference.*
47:11 🤓 *Further explanation of sodium's preference using a practical example.*
47:53 ⚖️ *Balancing electrons to achieve stability in the case of chlorine.*
48:35 🤷‍♂️ *Wrapping up the explanation of sodium and chlorine interaction for electron stability.*
49:16 ⚖️ *Sodium transfers an electron to chlorine in the formation of NaCl, resulting in Na⁺ and Cl⁻ ions.*
49:30 🧮 *Valency is determined by the number of electrons an atom gains or loses during bonding.*
51:03 🧑‍🔬 *Examples of valency calculations for Nitrogen, Phosphorus, Boron, and others are explained.*
52:13 🧪 *Verify the valency of elements in a compound by referring to their atomic structure and electron distribution.*
53:10 🤝 *Chemical interaction dialogue: Chlorine and magnesium discussing electron exchange.*
53:40 🤝 *Magnesium and chlorine agree to exchange electrons, forming MgCl2.*
54:24 🤝 *Aluminum bonds with three chlorines, forming AlCl3.*
55:33 🤔 *Emphasis on achieving stability in chemical bonding over maintaining neutrality.*
56:43 🤝 *Explaining the concept of electron transfer in compounds, using sulfur (S) as an example.*
56:58 🧠 *Providing a fundamental approach to creating compounds, mentioning aluminum and nitrate as examples.*
57:55 🔄 *Emphasizing the importance of following alphabetical order when representing elements.*
58:58 ⚖️ *Calculating the number of neutrons in an atom based on its atomic and mass numbers.*
01:00:39 🧲 *Atomic number defines isotopes, while mass number varies.*
01:01:36 🧾 *Protium, deuterium, and tritium are examples of different hydrogen isotopes.*
01:01:50 📊 *Average atomic mass is calculated by considering the abundance of isotopes.*
01:02:04 📈 *Carbon isotopes, like 12C6 and 14C6, have different mass numbers.*
01:02:19 📚 *Calculating the average mass involves finding the weighted average based on isotopic abundance.*
01:02:49 🔍 *Chlorine isotopes with mass numbers 35 and 37 can be used to find their ratio.*
01:03:17 📝 *Calculating the exact percentage of isotopes involves simple mathematical operations.*
01:04:40 🤔 *Atomic numbers uniquely identify elements, while isotopes have different mass numbers for the same element.*
01:06:18 🔍 *Isotones have the same number of neutrons but different atomic numbers, illustrated through the comparison of Potassium and Calcium isotones.*

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HEY YOU YES YOU DON'T GET DISTRACTED BY COMMENT WHILE STUDYING

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Sir aapki video toh ham 2x speed m bhi nahi dekh skte ap toh esi he 2x speed m chalte ho 😂😂

[Shristi-yg]

Best channel for studying before 1 day of exam😂

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Bhaiya app ne hamare liye kitna kuch Kia hai attendance miss ki aur b bhut kuch app hamare liye Diamond se b jayada mulyavan ho hai hum log b annual exm Mai 90% + score karenge bhai love you

[Vashishtlaksh]

Summary
2:25 discovery in field of atom
4:46 sub - atomic particles
10:28 number related to atoms
15:15 model of atom - Thomsons model
19:29 Rutherford model
32:36 bohrs model
33:26 energy shells
32:15 neutrons
35:04 electronic distribution
40 :12 valency
51:51 compounds formation
57:22 mass number/ atomic number
1:00:16 isotopes/ isobars/ isotones

[shaikhsabir]

53:57 what an explanation Pranay bhayiya 🎉❤ great job
Bss isi trh se hume 10th me. Bhi padhate rehna 😅🎉❤

[__editor__]

ईंट पर नाच
ईं = Electron
ट = Thomson
पर
प = Proton
र = Rther foard
नाच
ना = Neutron
च = Chaidwick

[profitpiecegaming]

Time stamp 41:23
Bhaiya you help the students to much so all of us who got outstanding performance they definately gave you blessings



Thanks for so much likes

[anushreepatel]

BHAIYA HUMBLE REQUEST
Please teach us in class 10 tooo!! You're the only one 😭💎💙

[Yashstudy]

The greatest man in the world who teaches with humor, simplicity and friendliness. Also gave practical examples when needed and completed the chapter in reasonable time 😊. Thank you sir for this wonderful session 😁 🫡. 05:32 WOW! 🤣🤣

[swagatikakuanr]

Which students listening the sirs words in 0.75x😂😂😂

[abhisheksingh-ujui]

To my dear junior
*just follow him you will develop a special interest in science*
Thank-you bhaiya for helping us 2021-21 ❤️‍🔥

[sarvanshsharma]

when pranay teaches you know your the video is going to be interesting+You are gonna understand everything+you get more marks

[priyanshsharma]

i literally wasted my 9th class now that 10th boards are near and i have to clear my previous concepts in order to understand new ones . I started looking for 9th chemistry explanation and this is the best video i found so far, understood everything. hats off to you pranay bhaiya. im so thankful rn . the best teacher.Loved your video

[HarshMishra-wjuo]

Kon kon bhaiya ke video 0.75 ke speed me dekhta hai 🙄

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Bhaiya We Need QNA About You🥺
Questions:Aapki Age, Study/Degree, Your Village, About family, Girlfriend 🥰etc.😜
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