Neon

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Across
  1. 5. 1898
  2. 7. discoverer
  3. 8. Atomic number
  4. 9. atomic symbol
  5. 10. phase at room temperature
Down
  1. 1. discoverer
  2. 2. 19
  3. 3. use
  4. 4. 20.1797u
  5. 6. uses