Periodic Table

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Across
  1. 6. people often have it
  2. 7. we breath
  3. 9. in nails or chains
  4. 10. balloons
Down
  1. 1. after a famous scientist
  2. 2. tip of a pencil
  3. 3. deadly poison
  4. 4. in pool water
  5. 5. sign. Plasma is the state of matter
  6. 8. trees breath