INSERT [NOT_CI_03_ima] The atoms of hydrogen are different to those of sodium which are different to those of chlorine. Each element has different properties and can be used in different ways. Find ...

Atoms are the building blocks of ... What is carbon? Find out about the structure and properties of the element carbon. What are elements? A visual explanation of chemical elements.

Iron is an element. It is made of only one type of atom: iron atoms. Sulfur is another element. It contains only sulfur atoms, and nothing else, so it is pure. When we mix two different pure ...

Now you know that atoms are really small and that there are huge numbers of them, but here are a few other atom facts you might find interesting ... That’s because these two elements make up stars ...

Sure. But what is an element really? It is a more subtle question that you might realise. To get to grips with it, it helps to first understand that atoms, the basic units of all matter ...

Instead, they're always two atoms of the same pure element ... sodium chloride). You can find a diatomic molecule everywhere. Some other elements can form diatomic molecules, but the bonds are ...

Copper atoms are larger than aluminum atoms. There are fewer copper atoms than aluminum atoms in the cubes. Copper atoms are much more massive than aluminum atoms. The extra mass makes copper more ...