Elements, atoms and the table that organises them. Subatomic particles, electron arrangement, periodic trends and the history of discovery.
The pure substances that make up everything around you.
Three families of elements — very different personalities.
How properties determine what a material is used for.
The tiniest particle that still acts like an element.
Protons, neutrons and electrons — inside every atom.
A model of electrons in shells around the nucleus.
From solid spheres to electron clouds — science keeps improving.
Why the table is arranged the way it is.
Use the periodic table to predict what an element will be like.
Model the atoms from hydrogen to argon.
How element properties and availability determine what we use.