Chemical Reactions

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Across
  1. 2. A substance produced in a chemical reaction
  2. 7. Basic unit of matter
  3. 9. The process by which substances change to produce different substances
  4. 12. Chemical reaction in which heat is absorbed.
  5. 15. The reactants in a photosynthesis reaction.
Down
  1. 1. A single kind of matter that is pure and has a specific set of properties.
  2. 3. Chemical formula for glucose.
  3. 4. Chemical Reaction in which energy is given off in the form of heat
  4. 5. A group of atoms bonded together
  5. 6. change A change in matter that produces one or more new substances
  6. 8. A substance that decreases the hydrogen ion concentration in a solution.
  7. 10. Any substance that has a definite composition
  8. 11. The formula for hydrochloric acid
  9. 13. A chemical substance that is present at the start of a chemical reaction
  10. 14. The product of a hydrogen reacting with oxygen.
  11. 16. Chemical formula for sodium hydroxide