Tiny charged particles form everything in the known universe.
Atoms are the tiny building blocks that make up everything around us.
Every object, person, planet, and star is made from atoms.
At the center is a nucleus, surrounded by fast-moving electrons.
Atoms are made of smaller particles that each play a different role. Together, they create everything in the universe.
The dense center of the atom containing protons and neutrons.
Positive particles inside the nucleus.
Neutral particles that stabilize the atom.
Fast-moving negative particles orbiting the nucleus.