Displacement and reactivity

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Across
  1. 1. Process to change a solid into a liquid
  2. 4. Metal often used in tinsel that is shiny and doesn’t react easily
  3. 5. Salt formed in a displacement reaction between iron and copper sulfate.
  4. 6. Chemical symbol for silver.
  5. 7. A reaction that gives out energy to the surroundings.
  6. 12. Metal used in Christmas tree light wires.
  7. 14. Process to change an gas into a liquid
  8. 15. Process to change a liquid into a solid
  9. 17. The process where a more reactive metal takes the place of a less reactive metal.
  10. 20. The series ranking metals from most to least reactive.
Down
  1. 1. Metal higher than copper but lower than sodium.
  2. 2. Santa’s sleigh metal must be strong and light, often used in alloys.
  3. 3. Process to change a liquid into a gas.
  4. 8. Example of a reaction that feels hot to touch, e.g., burning Christmas candles.
  5. 9. Metal in Christmas bells that can be displaced by iron.
  6. 10. A gas that makes balloons float in Christmas parties.
  7. 11. A reaction that absorbs energy from the surroundings.
  8. 13. Chemical symbol for zinc.
  9. 16. The least reactive metal in the reactivity series.
  10. 18. A sweet chemical compound made of carbon, hydrogen, and oxygen, used in Christmas treats.
  11. 19. Metal more reactive than copper but less reactive than magnesium.