For chemistry test

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Across
  1. 2. The metal that has the highest activity.
  2. 6. The metal that has the lowest activity.
  3. 7. Most elements are this.
  4. 9. making bread and alcohol
  5. 11. Many metals react with acids to form this and hydrogen gas.
Down
  1. 1. used in metal plating.
  2. 3. making metals or reduction
  3. 4. burning or oxidation
  4. 5. On the periodic table, they are mostly on the right.
  5. 8. All substances are made up of this.
  6. 10. On the periodic table, they are on the left and centre.