Across
- 2. The negatively charged electrode
- 4. The type of bonding where atoms lose/gain electrons
- 5. A positively charged subatomic particle found in an atom's nucleus
- 8. The type of bonding that involves a "sea of electrons"
- 9. The gas that makes up around 21% of air
- 10. A reaction that gives out heat
- 12. A reaction that takes heat in
- 15. A reaction that forms a salt and water
- 17. A spherical cage made only of carbon atoms
- 19. The type of bonding where atoms share electrons
Down
- 1. The gas that makes up around 75% of air
- 3. The positively charged electrode
- 5. A scale that grades acids and alkalis from 1 - 14
- 6. A separation method using electricity
- 7. A long molecule made up of repeating units
- 11. A negatively charged subatomic particle found in an atom's shell
- 13. A liquid indicator - red for acid, green for neutral, purple for alkali
- 14. A compound made up of a metal and a non-metal
- 16. The name given to a charged particle/atom
- 18. The basic units that make up everything