Across
- 2. Reaction that proceeds on its own, without external addition of energy
- 4. Reaction that takes place between an oxidizing substance and a reducing substance
- 7. Natural process that converts a refined metal into a more chemically stable oxide
- 11. Those in which two chemical substances react by exchanging ions to produce two new molecules
- 12. Reaction in which two or more substances combine to form a single new substance
- 13. The process of an atom or compound gaining one or more electrons
- 14. Take in energy and the temperature of the surroundings decreases
Down
- 1. Occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate
- 3. Occurs when an atom, molecule, or ion loses one or more electrons in a chemical reaction
- 5. Reaction in which a compound breaks down into two or more simpler substances
- 6. Transfer energy to the surroundings and the temperature of the surroundings increases
- 8. Condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavor and odor
- 9. A chemical process in which a substance reacts rapidly with oxygen and gives off heat
- 10. When an acid and a base react to form water and a salt
- 15. Occurs when a more reactive element displaces, or pushes out, a less reactive element
