Periodic Table

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Across
  1. 2. metal used in jewelry
  2. 3. Element found in all living things
  3. 7. Valuable yellow metal
  4. 8. First element in the periodic table
  5. 10. Soft metal that reacts with water
Down
  1. 1. Gas used in bright advertising lights
  2. 3. Metal used in electrical wires
  3. 4. Gas humans need to breathe
  4. 5. Gas used in balloons
  5. 6. Light metal used in batteries
  6. 9. Metal used to make steel