What are the elements made from? The word elementary means simple. Elements are simple substances. The particles that make up an element are called atoms (indivisible). An atom is the smallest particle of an element you can get (normally) You cannot split up an element into anything simpler using chemical reactions.
Symbols and Signs Each element has its own symbol. Sometimes the symbol is the first letter of the name. The symbol for carbon is C and the one for oxygen is O. There are 115 elements and only 26 letters in the English alphabet so most have two letters Aluminium is Al and copper is Cu. The same chemical symbols are used throughout the world. The letters do not always match the symbols, like Pb for lead and Ag for silver