Chemical Reactions and Equations

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Across
  1. 3. Single compound breaks down into two or more simpler substances.
  2. 4. Process by which plants convert sunlight into chemical energy.
  3. 7. Two or more substances combine to form a single substance.
  4. 8. Gain of electrons or loss of oxygen.
  5. 10. Reaction involving both oxidation and reduction.
  6. 12. Reaction between an acid and a base forming salt and water.
  7. 14. Substance that undergoes change in a reaction.
  8. 18. Insoluble solid formed in a solution.
  9. 19. Process of using electricity to decompose a compound.
  10. 20. Loss of electrons or gain of oxygen.
  11. 21. Solution where water is the solvent.
Down
  1. 1. Gradual destruction of metals by chemical reactions with environmental elements.
  2. 2. Principle that mass is neither created nor destroyed in a reaction.
  3. 3. Reaction where a more reactive element replaces a less reactive element.
  4. 5. Substance that speeds up a reaction without being consumed.
  5. 6. Reaction of a substance with oxygen releasing energy.
  6. 9. Reaction releasing heat.
  7. 11. Rapid release of gas bubbles from a liquid.
  8. 13. Spoiling of fats and oils due to oxidation.
  9. 15. Representation of a chemical reaction using symbols and formulas.
  10. 16. Reaction absorbing heat.
  11. 17. Equation with equal numbers of each type of atom on both sides.
  12. 18. Substance formed as a result of a reaction.