atom
protons neutrons electrons are called?
subatomic particles
is there nucleons in non living thing?
no


subatomic particles
no
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.
Organic Chemistry
Study of Carbon Chemicals
Carbon Element
Joins with Many Atoms
Forms Different Substances 🧪
Kinetics = The speed of a chemical reaction.
It helps us understand:
Why some reactions are fast ⚡
Why some reactions are slow 🐢
example
substances change into new substances.
🍳 Cooking food – when we cook rice, eggs, or bread.
molecules found in living things
body grow, get energy, and stay healthy.
Equilibrium means balance.
Seesaw ⚖️
Book on a table 📚
Chemical reactions 🧪\
An acid is a substance that usually tastes sour.
Examples of acids:
🍋 Lemon juice
🍊 Orange juice
🧴 Vinegar
Niels Bohr was a famous scientist who helped us understand atoms.
🇩🇰 He was born in Denmark in 1885.
⚛️ He studied atoms, the tiny building blocks of everything.
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.
A physical change is when something changes its shape or size, but it stays the same thing.
👉 No new thing is made.
🧊 Ice melting into water
✂️ Cutting paper
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.
what is pollution
Pollution is the introduction of harmful substances or energy into the environment that cause damage to ecosystems and living organisms.
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
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.
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.
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).
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.
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.
very noce