Across
- 4. Method to extract aluminium
- 5. Particle with a negative charge
- 7. Reaction that releases heat
- 10. Shared pair of electrons
- 11. Method of reducing landfill and waste
- 13. Particle with no charge found in the nucleus
- 14. Column in the periodic table
Down
- 1. Substance that speeds up rates of reaction
- 2. Squeaky pop test
- 3. Increases rate by increasing collisions
- 6. Loss of electrons
- 8. Type of bonding between metal and non-metal
- 9. Acid with a pH of 1-3
- 12. dioxide Gas that causes global warming
- 15. Unit of measuring acidity