Across
- 6. chemical reaction which gains energy
- 7. a polyatomic ion made by adding a proton
- 9. the amount of energy required to pull two bonded atoms apart
Down
- 1. a polyatomic ion made by removing a proton
- 2. the process by which reactants loses or gains electrons
- 3. sometimes called Akaline
- 4. chemical reaction which releases energy
- 5. a reaction between an acid and a base
- 8. The new materials formed in a chemical reaction