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Ishaan

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atom

protons neutrons electrons are called?


subatomic particles


is there nucleons in non living thing?


no


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atom

Think of an atom as a tiny LEGO brick. Everything in the world—your toys, the air, and even you—is built from billions of these bricks!


Here are the 3 basic parts inside every atom:


  • The Nucleus: This is the center of the atom. It’s like the "brain" or the sun in a mini solar system.

  • Protons: These live in the center and have a positive (+) charge. They decide what kind of atom it is (like gold or oxygen).

  • Neutrons: These also live in the center. They are neutral, meaning they don't have a charge; they act like "glue" to hold the protons together.

  • Electrons: These are tiny and have a negative (-) charge. They zip around the outside of the center incredibly fast.


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Organic Chemistry

Organic Chemistry for 🧪🌿

  • Organic Chemistry

  • Study of Carbon Chemicals

  • Carbon Element

  • Joins with Many Atoms

  • Forms Different Substances 🧪


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kinetics

⚗️ Kinetics


Kinetics = The speed of a chemical reaction.


It helps us understand:


  • Why some reactions are fast ⚡


  • Why some reactions are slow 🐢


example


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chemical reactions

what is chemical reactions


substances change into new substances.

Where do we see Chemical

Reactions? 🧪

  1. 🍳 Cooking food – when we cook rice, eggs, or bread.


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BIOMOIECULES

What are biomolecules?


molecules found in living things

2. Why are biomolecules important?


body grow, get energy, and stay healthy.


Main types of biomolecules:


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Equilibrium

Equilibrium means balance.


example


  • Seesaw ⚖️

  • Book on a table 📚

  • Chemical reactions 🧪\


Keyword version


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acid and bases

🔴 What is an Acid?


An acid is a substance that usually tastes sour.


Examples of acids:


  • 🍋 Lemon juice

  • 🍊 Orange juice

  • 🧴 Vinegar


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niels bohr

👨‍🔬 About Niels Bohr


Niels Bohr was a famous scientist who helped us understand atoms.

Key points:


  • 🇩🇰 He was born in Denmark in 1885.


  • ⚛️ He studied atoms, the tiny building blocks of everything.


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atom

What is an Atom? (For Kids) ⚛️


An atom is the tiny building block of everything in the world.


Everything you see—air, water, trees, animals, and even you—is made of atoms!


Think of atoms like LEGO blocks. 🧱

Just like LEGO blocks join together to build things, atoms join together to make everything.


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Physical and Chemical Changes

🔵 Physical Change

A physical change is when something changes its shape or size, but it stays the same thing.


👉 No new thing is made.


Examples:


  • 🧊 Ice melting into water

  • ✂️ Cutting paper


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pollution

how can we control pollution in society


Reduce, Reuse, Recycle: Minimize consumption, reuse items, and recycle materials to conserve resources and energy.


Sustainable transport: Use public transportation, carpool, walk, or cycle instead of driving private vehicles.


Conserve energy: Turn off lights and appliances when not in use to reduce electricity consumption from fossil fuels.


Proper waste management: Dispose of waste properly and avoid burning garbage, plastic, or dry leaves.


Increase green cover: Plant more trees to absorb pollutants like carbon dioxide and maintain ecological balance.


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Pollution

what is pollution


  1. Pollution is the introduction of harmful substances or energy into the environment that cause damage to ecosystems and living organisms.

  2. It can be in the form of a solid, liquid, or gas, and includes things like trash, chemicals, and exhaust. types of pollution . air

    . water

    .noise

    .soil


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Ions and Ionic Bonding

Ions are atoms with a positive or negative charge formed when an atom gains or loses electrons, and an ionic bond is the electrostatic attraction between these oppositely charged ions.

Ionic bonds typically form between a metal and a non-metal, like sodium and chlorine in table salt (NaCl), where the metal atom transfers its electrons to the non-metal atom to form a stable compound.



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structure of atoms

An atom's structure consists of a dense, positively charged nucleus at the center, made of protons and neutrons, and negatively charged electrons orbiting the nucleus in shells or orbitals. The number of protons in the nucleus determines the element's atomic number, while a neutral atom has an equal number of protons and electrons. Electrons exist in specific energy levels, governed by quantum mechanics, and their arrangement determines the atom's chemical properties.

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Metals typically have properties like luster, malleability, and ductility, making them shiny, able to be hammered into thin sheets, and drawn into wires, respectively. They are also excellent conductors of heat and electricity, have high melting and boiling points, and are generally solid at room temperature (except for mercury).

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what is the atom

An atom is the basic building block of all ordinary matter, consisting of a dense central nucleus surrounded by a cloud of negatively charged electrons. The nucleus is made of positively charged protons and neutral neutrons. Atoms of different elements have different numbers of protons, which defines the element, such as carbon or oxygen. 


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states of matter

The three most common states of matter are solid, liquid, and gas, while a fourth, plasma, is also fundamental. Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have no definite shape or volume. Plasma, often found in stars and lightning, consists of super-excited particles.  

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Santhosh Ramks
Santhosh Ramks
2025年10月13日

very noce

Electrons ,protons and neutrons
Electrons ,protons and neutrons

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