Across
- 5. hexagonal rings
- 6. buckyfall
- 9. saturated
- 10. hydrogen and carbon
- 12. amorphous carbon
- 14. similar chemical properties
- 15. crystalline forms of carbon
Down
- 1. unsaturate
- 2. 95% of carbon
- 3. decolourising agent
- 4. forming long chains
- 7. better fuel than wood
- 8. four carbon atoms
- 11. pigment and colouring matter
- 13. free states of carbon