From our bodies to the oceans and stars, everything is made of millions upon millions of tiny atoms. But what are atoms made of?
- The building blocks of all elements are called atoms.
- Atoms are composed of three types of particles: protons, neutrons and electrons.
- The number of protons and electrons balance.
- The atomic number is the number of protons in an atom.
Every single thing around you is made of atoms.
The air you breathe, the Earth, your own body.
Atoms are the building blocks of all matter.
And it's hard to even imagine how small they are.
One tenth of a millionth of a millimeter across.
There are trillions of atoms ...
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