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