@liuxqd: #WENZHOU 💘 #wordofhonor #wordofhonor山河令 #wenkexing #zhouzishu #wenkexing×zhouzishu #danmei #далекиестранники #вэнькэсин #чжоуцзышу #f #fyp #foryoupage

柳笑晴 | Ши Мэйчик𑁍
柳笑晴 | Ши Мэйчик𑁍
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Monday 28 April 2025 17:15:55 GMT
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waylenryu
YiZhan :
I don't like the cliff hanger
2025-05-13 11:24:21
5
wenkexingfanpage
kana/ngan :
I LOVE THEM SMM
2025-04-28 17:23:34
11
txwixor
sophie :
THIS IS BEAUTIFUL
2025-04-28 22:49:09
3
shiwuduslosthead
🌟🌟 :
SOOO BEAUTIFUL
2025-04-28 21:57:49
1
lunarfaye
Lunar ⋆⁺₊⋆ ☾ :
THIS IS SO GOOD OMG🥹🖤🖤 parents!!!
2025-04-28 23:41:23
5
importantcarb
Важный-Сухарь :
можно название???
2025-06-07 20:33:19
1
zishuuw
zzsluvrrヾ❀ :
I LOVE THIS
2025-04-28 21:32:29
2
hualian249
💙🍁Role🍁 💛 :
AMO AMO AMO AMOOOOO✨✨✨
2025-04-29 00:37:13
3
zishuuw
zzsluvrrヾ❀ :
THIS IS SO GOOD
2025-04-28 21:32:24
2
zishuuw
zzsluvrrヾ❀ :
MISS THEM:((
2025-04-28 21:32:37
1
jess69...ok
Jasmina :
❤️❤️💙💙
2025-05-26 06:09:24
1
pyae20003
pyaesone :
🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰
2025-05-09 10:00:18
1
ak.zurek
anna :
😍😍😍❤️❤️❤️
2025-05-02 15:33:57
1
hanseujun_0
Zuzu katsuki midoriya ✨ :
✨✨✨
2025-06-22 16:54:23
0
txwixor
sophie :
THEM >>
2025-04-28 22:49:12
2
zeeefgi
never :
подскажите пожалуйста, в какой серии он снимет это обличье и будет с другим лицом?
2025-07-23 12:46:15
1
shiwuduslosthead
🌟🌟 :
GORGEOUS OMGG
2025-04-28 21:57:56
7
txwixor
sophie :
THEYRE SO INLOVE
2025-04-28 22:49:16
5
crazy.woman78
хинако :
это судьба ❤️
2025-04-28 17:41:46
7
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Unit:2 Class 11 Chemistry           Structure of Atom  1. The Composition of an Atom   Atoms are composed of three primary subatomic particles: Protons: Positively charged particles located in the nucleus. The number of protons defines the Atomic Number (Z) and the identity of the element. Neutrons: Neutral particles also found in the nucleus. They contribute to the mass of the atom and determine the Isotope. Electrons: Negatively charged particles that revolve around the nucleus in specific regions. 2. The Atomic Nucleus Proposed by Ernest Rutherford, the nucleus is an incredibly dense, central core. While it occupies only a tiny fraction of the atom's volume, it contains nearly 99.9% of the atom's mass. The
Unit:2 Class 11 Chemistry Structure of Atom 1. The Composition of an Atom Atoms are composed of three primary subatomic particles: Protons: Positively charged particles located in the nucleus. The number of protons defines the Atomic Number (Z) and the identity of the element. Neutrons: Neutral particles also found in the nucleus. They contribute to the mass of the atom and determine the Isotope. Electrons: Negatively charged particles that revolve around the nucleus in specific regions. 2. The Atomic Nucleus Proposed by Ernest Rutherford, the nucleus is an incredibly dense, central core. While it occupies only a tiny fraction of the atom's volume, it contains nearly 99.9% of the atom's mass. The "Strong Nuclear Force" holds the protons and neutrons together, overcoming the electromagnetic repulsion between positive protons. 3. Energy Levels and Quantization (Bohr’s Model) Neils Bohr introduced the idea that electrons do not just float around the nucleus; they exist in specific shells or energy levels. 4. The Concept of Orbitals (Quantum Mechanical Model) Modern physics replaced the idea of circular "orbits" with orbitals. According to the Heisenberg Uncertainty Principle, we cannot know the exact path of an electron. Instead, an orbital is a 3D space around the nucleus where there is a high probability (90-95%) of finding an electron. s-orbitals are spherical. p-orbitals are dumbbell-shaped. 5. Quantum Numbers To completely describe the location and behavior of an electron, four "address" coordinates are used: Principal (n): The main energy level/shell. Azimuthal (l): The shape of the subshell (s, p, d, f). Magnetic (m): The orientation of the orbital in space. Spin (s): The direction of the electron's rotation (clockwise or counter-clockwise). 6. Electronic Configuration Rules How electrons fill up these shells is governed by three main principles: Aufbau Principle: Electrons fill the lowest energy orbitals first. Pauli Exclusion Principle: An orbital can hold a maximum of two electrons, and they must have opposite spins. Hund’s Rule: In subshells with multiple orbitals (like p or d), electrons prefer to occupy empty orbitals individually before pairing up. 7. Isotopes and Atomic Mass Isotopes are atoms of the same element (same number of protons) that have different numbers of neutrons. This changes the Mass Number (A) but does not change the chemical properties of the element. For example, Hydrogen has three isotopes: Protium, Deuterium, and Tritium. 1. Characteristic vs. Continuous X-rays Continuous X-rays (Bremsstrahlung): Produced when high-speed electrons are slowed down or "braked" by the electric field of the nucleus. This results in a broad range of wavelengths. Characteristic X-rays: These appear as sharp peaks on a spectrum. They are unique to the target element because they depend on the specific energy gaps between that atom's shells 2. Moseley’s Law and its Significance In 1913, Henry Moseley studied the characteristic X-rays of various elements and discovered a mathematical relationship: #atomicstructure #class11chemistry #mdcat #class11 #enterytest @ELSA Academy Umerkot @sindhcollege @𝗕𝗙𝗖_𝗯𝗼𝗬𝘇🔫 @college life 💫👑 @STRIVERS ACADEMY UMERKOT ~ SAU @Bright Futures School 🎒🎒🎒🎒 @Faqeer Jadam Public School 🎒 @Paradise academy umerkot ❤️ @Happy home boys hostel umerkot @galaxy_college_online @Ameer Hassan Khoso @GalaxyCollege @Mekaranbhurani

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