Chemguide: core chemistry 14-16: Formulae and equations menu

Chemguide: Core Chemistry 14 - 16

Formulae and Equations Menu

How to work out formulae for covalent compounds . . .: A brief explanation, with examples, of how to work out the formulae of covalent compounds - should you ever need to.
How to work out formulae for ionic compounds . . .: An explanation, with examples, of how to work out the formulae of ionic compounds - which is where the main problem lies with respect to writing formulae.
How to work out simple equations . . .: How to work out and understand the sort of simple equations that you will meet at this level.