Everything in the world is made from atoms. If we zoom into your skin, we get to the cellular level. If we continue to zoom in an get even smaller we eventually get to the atomic level. This is where the carbon atoms, oxygen atoms, nitrogen atom and many others join together to form you.

If we make everyone on earth the size of an atom, we could fit the entire population into a box, 1 meter by 1 meter.

As we said before, all matter is made up of atoms. These tiny microscope particles are made up of 3 parts, Protons, Neutrons and Electrons.

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Elements and compounds

There many different types of elements, but they all have one thing in common. To be an element you can only be one type of atom.

Compounds are the opposite, they are made of many different types of atoms. Like Carbon dioxide.  

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Periodic table

The periodic table is a table of chemical elements. It orders all the known elements by their atomic number and lists their chemical properties.

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Click here for a quick test on atoms