What is a covalent bond? What happens to the electrons in covalent bonding? These are just two of the questions you will need to be able to answer for your GCSE chemistry exams. Whether you are revising for AQA GCSE chemistry or you are sitting combined science for any exam board, you will need to know all about covalent bonding and the sharing of electrons. Take advantage of our GCSE Chemistry covalent bonding worksheet to help you revise.