Elements of the periodic table

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Across
  1. 3. Sun
  2. 4. Coins
  3. 5. Air
  4. 6. Wires/cables
  5. 8. Fireworks
  6. 10. Batteries
Down
  1. 1. Advertising signs
  2. 2. Swimming pool
  3. 7. Fruits and Vegetables
  4. 9. Emeralds