chemical reactions

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