Chemistry Reactions and Equations

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Across
  1. 3. chemical symbol of gold.
  2. 5. 2 or more reactant's react to form one product.
  3. 6. yellow precipitate formed by reaction of lead nitrate and potassium iodide.
  4. 7. reaction in which energy is released in form of heat or light.
  5. 9. chemical symbol of aluminum.
  6. 10. valency of aluminum
  7. 11. chemical symbol of magnesium.
  8. 12. chemical symbol of zinc.
Down
  1. 1. a substance breaks down into two or more products.
  2. 2. reaction in which more reactive element displaces less reactive element from its solution.
  3. 4. reaction in which exchange of ions takes place between 2 substances to form new products.
  4. 8. reaction in which heat is absorbed.