Across
- 5. A drawing to show only the arrangement of the outer shell electrons of the atoms or ions in a substance. (4 words)
- 6. A huge 3D network of covalently bonded atoms. (3 words)
- 8. The electrostatic force of attraction between positively and negatively charged ions. (2 words)
- 10. Form of carbon that can exist as large cage-like structures, based on hexagonal rings of carbon atoms.
- 11. A substance made from very large molecules made up of many repeating units.
- 13. Particles with a diameter of approximately 1x10-7 - 2.5x10-6m. (2 words)
- 14. Particles with a diameter of approximately 1x10-9m.
Down
- 1. Bonding electron that is no longer associated with one particular atom and is free to move throughout the structure. (2 words)
- 2. The study of very tiny particles or structures between 1 and 100 nanometres in size. One nanometre = 1x10-9m.
- 3. Particles with a diameter of approximately 1x10-5m. (2 words)
- 4. A huge 3D network of atoms or ions. (2 words)
- 7. The bond between two atoms that share one or more pairs of electrons. (2 words)
- 8. The weak forces of attraction between individual molecules in a covalently bonded substance. (2 words)
- 9. A mixture of two or more elements, where at least one is a metal.
- 12. Based on the fact that all matter is made up of tiny particles. Describes the movement of the particles and the average distance between the particles. (2 words)