Periodic table

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12345678910111213141516
Across
  1. 3. alkali_metals
  2. 4. melting_point
  3. 8. Mendeleev
  4. 10. lustrous
  5. 11. electronegativity
  6. 12. group
  7. 14. alloy
  8. 15. halogens
Down
  1. 1. transitional_metals
  2. 2. malleable
  3. 5. conductor
  4. 6. brittle
  5. 7. density
  6. 9. ductile
  7. 13. period
  8. 16. symbol