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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