Chemistry

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Across
  1. 4. color, melting, boiling points
  2. 6. a tiny particle
  3. 7. Carbon-14
  4. 9. carbon, oxygen, hydrogen, gold
  5. 10. solid to a liquid
Down
  1. 1. Dirt and water (Mud)
  2. 2. baking a cake, Burning of paper
  3. 3. a positive electric charge
  4. 5. H2O (water)
  5. 8. negative electric charge