Across
- 2. Substances that take part in a chemical reaction
- 3. when heat is absorbed
- 6. Removal of O2
- 8. more reactive element displaces a less reactive metal from it's salt solution
- 9. when oxidation or reduction takes place simultaneously
- 11. the simple form of a chemical reaction
- 13. one compound breaks into elements and compounds
- 14. Slow oxidation of oil and fat
- 15. an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
Down
- 1. Substances that are produced at the end of the reaction
- 4. chemical reaction expressed in words rather than chemical formulas
- 5. deterioration of metals by air, moisture, chemicals, etc
- 7. Addition of O2
- 10. Two compounds exchange their ions to for new compounds
- 12. two elements or compounds combine to form new compounds
- 16. when heat is released
