Structure, properties and choosing materials

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Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

• 11 sections of explanation, worked examples and diagrams
• 2 practice tasks with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Ionic, covalent and metallic bonding
2. Structure, properties and choosing materials
3. Why atoms bond and how to predict the type
4. Ionic bonding in sodium chloride
5. Ionic formulae from electron accounting
6. The ionic lattice and the properties it causes
7. Covalent single bonds: hydrogen, water, ammonia and methane
8. Double and triple bonds: oxygen, nitrogen and carbon dioxide
9. Simple molecules versus giant covalent: CO2 and sand
10. Metallic bonding, malleability and alloys
11. Intermolecular forces and the special case of water
12. Testing an unknown to find the bond type
13. Choosing diamond, graphite and aluminium in Kenya
14. Bonding in everyday substances and a fair choice