CHEMICAL FORMULAE

=Chemical Formulae= The numbers in a chemical formulae tell us how many of each atom is present. [image:http://i.imgur.com/FaybCtH.png?1] ==Example Carbon Dioxide== [image:http://i.imgur.com/Uy4pXOK.png?1] ==Further examples== The table below shows how the formula can be used to work out the numbers of each atom present. [image:http://i.imgur.com/S7UoAID.png?1]