The periodic table

By Will Aitken

The peridic table and elements

The periodic table shows all of the elements and their symbol. There is 118 elements. They are put in groups:non metals on the left, metals in the centre. The main elements are hydrogen, oxygen, helium and gold!

An element is a group of atoms. So a bar of gold is made up of gold atoms. You can have compounds which are two elements put together like carbon and oxygen is carbon dioxide. Another compound is water which is hydrogen and oxygen