Across
- 3. positively charged particles
- 4. an atom that has a charge
- 9. negatively charged particles
- 12. gain of electrons
- 14. the reaction between iron(III) and aluminium
Down
- 1. combination of reduction and oxidation
- 2. another name for burning
- 5. loss of electron
- 6. increases the rate of reaction
- 7. non-metal elements from group 7
- 8. absorbs energy
- 9. releases energy
- 10. substance resulting from a chemical reaction
- 11. the transfer of electrons
- 13. oxidation is loss reduction is gain
