Atoms, Molecules, Elements & Compounds (Wan2tlkScience?), a 9m 18s video; Scientific Eye – Atoms & Molecules (19m); Science in Action – Mixtures (19m).
But just how small is an atom? – from TED-Ed.
Here are some key terms for this topic: Key Terms C3
Revision sites covering Bonding:
GCSE s-cool – Chemical Bonding – revision notes & animations, practise exam questions & a revision summary
For Doc Brown’s Chemistry quizzes, word-fills, crosswords and study notes go here and just scroll down to ‘18.Structure, Properties and Bonding of Materials’.
Skoool Chemistry – click on ‘1. Structures & Bonding’ for excellent lessons that take you through the topic; also a glossary of key terms.
Worksheets from Mr Guch that cover Properties of Ionic & Covalent Compounds.
Great resources from the Australian International School – videos, powerpoints, worksheets, practicals, animations, flashcards etc.
For fun, here’s Chemical Party (a 1m 30s vid).
TEXTBOOK REVISION
Complete Chemistry for Cambridge IGCSE, chapter 4, p.46