Shmoop Chemistry explains Bonding: Covalent and Ionic Bonds. Part of our Types of Bonds and Orbitals Learning Guide. Learning and teaching resource for Bonding: Covalent and Ionic Bonds written by PhD students from Stanford, Harvard, Berkeley
GCSE Bitesize Revision - Science Comprehensive coverage of GCSE science topics which have been arranged by exam board specifications. Interactive quizzes to test your knowledge, but don't wait for revision time before you try it out.