Across
- 5. The reaction of metals with air and water in the atmosphere
- 6. A reaction that takes in heat energy
- 8. A reaction that involves the addition of oxygen
- 9. A reaction that gives out heat energy
- 10. The reaction when a substance burns in the air
Down
- 1. A reaction that involves a compound being broken down by heat
- 2. A reaction when a more reactive metal displaces a less reactive metal from a solution
- 3. The reaction between an acid and an alkali to make a salt
- 4. In a chemical reaction, all particles at the start in the reactants are there at the end, rearranged in the products
- 7. The reaction that takes place in every living cell, releasing energy