Chapter 14 & 15 Vocabulary.

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Across
  1. 4. / a substance or molecule that participates in a chemical reaction.
  2. 6. / a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
  3. 8. / an ionic compound that forms when a metal atom replaces the hydrogen of an acid.
  4. 9. / a combination of chemical symbols and numbers to represent a substance.
  5. 11. / the law that states that energy cannot be created or destroyed but can be changed from one form to another.
  6. 15. / any compound that increases the number of hydronium ions when dissolved in water.
  7. 16. / a solid that is produced as a result of a chemical reaction in solution.
  8. 19. / any compound that increases the number of hydroxide ions when dissolved in water.
Down
  1. 1. / a chemical reaction that requires heat.
  2. 2. / a substance that changes the rate of a chemical reaction without being used up or changed very much.
  3. 3. / the law that states that mass cannot be created or destroyed in ordinary chemical or physical changes.
  4. 5. / a chemical reaction in which heat is released to the surroundings.
  5. 7. / a compound that can reversibly change color depending on conditions such as pH
  6. 10. / a substance that forms in a chemical reaction.
  7. 12. / the minimum amount of energy required to start a chemical reaction.
  8. 13. Reaction / the reaction of an acid and a base to form a neutral solution of water and a salt
  9. 14. / a solid that is produced as a result of a chemical reaction in a solution.
  10. 17. Reaction / the process by which one or more substances change to produce one or more different substances
  11. 18. / a value that is used to express the acidity or basicity (alkalinity) of a system.