There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

It uses chemical symbols from the periodic table to represent the elements involved. Iron is Fe and oxygen is O. When it’s in the air, oxygen is two atoms joined together, so it’s represented ...

This is made of aluminium. Aluminium is an element. Now, each element has a chemical symbol made of one or two letters. Cal: Right, OK. And what is the chemical symbol for aluminium? Mrs Roberts ...