chemical reactions

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Across
  1. 6. Smaller reactants have greater_______________,making it easier for them to react
  2. 7. Two or more simple substances combine to form a more complex product
  3. 8. A single compound breaks down into two or more elements or new compounds
  4. 9. Products are always carbon dioxide and water
  5. 10. lead(II) nitrate and potassium iodide to form potassium nitrate and lead iodide
Down
  1. 1. Higher_______________provide more energy for the systems in which reactants react
  2. 2. For the following chemical reaction: zinc + iron sulfate ---> zinc sulfate + iron, the products are___________
  3. 3. __________ is always a reactant in a combustion reaction
  4. 4. magnesium + zinc sulfate magnesium sulfate + zinc
  5. 5. For following chemical reaction: calcium + bromine ---> calcium bromide, the reactants are_______________