periodic table

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Across
  1. 2. a halogen
  2. 3. a transition metal
  3. 6. shiny metal
  4. 7. reacts with water
  5. 8. highest electronegativity
  6. 11. the first element
  7. 12. foundation of organic chemistry
  8. 14. first in the d block
Down
  1. 1. found in bombs
  2. 4. foil
  3. 5. symbol B
  4. 9. vital for life
  5. 10. a metal
  6. 13. a noble gas