Choosing diamond, graphite and aluminium in Kenya
General Science · Grade 10 · about 40 minutes
Construction drills, pencil cores, dry-cell electrodes, cooking pots and overhead power lines are chosen because of bonding and structure, not habit.
Sign in to read this lesson
Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 6 sections of explanation, worked examples and diagrams
- 1 practice task 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
- Ionic, covalent and metallic bonding
- Structure, properties and choosing materials
- Why atoms bond and how to predict the type
- Ionic bonding in sodium chloride
- Ionic formulae from electron accounting
- The ionic lattice and the properties it causes
- Covalent single bonds: hydrogen, water, ammonia and methane
- Double and triple bonds: oxygen, nitrogen and carbon dioxide
- Simple molecules versus giant covalent: CO2 and sand
- Metallic bonding, malleability and alloys
- Intermolecular forces and the special case of water
- Testing an unknown to find the bond type
- Choosing diamond, graphite and aluminium in Kenya
- Bonding in everyday substances and a fair choice