Periodic Table Crossword

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1234567891011121314
Across
  1. 4. shell, halogen
  2. 6. configuration, oxygen
  3. 9. oganesson
  4. 10. atomic number
  5. 11. lanthanide
  6. 13. periodic table
Down
  1. 1. period
  2. 2. chlorine
  3. 3. liquid
  4. 5. property, atom
  5. 7. gas
  6. 8. sodium,zirconium
  7. 12. nonmetal
  8. 14. gas, chemical element