Periodic Table Crossword

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Across
  1. 3. element symbol is O
  2. 4. element in the bottom left corner of the periodic table
  3. 7. atomic number is 2
  4. 8. element under neon
  5. 10. elements between transition metals and noble gasses
  6. 12. element in the bottom right corner of the periodic table
  7. 13. element group between alkali earth metals and halogens
  8. 15. element symbol is Au
  9. 16. element symbol is N
  10. 18. element in period 2 group 13
  11. 20. element symbol is Fe
Down
  1. 1. element group with full valence levels
  2. 2. elements between alkali metals and transition metals
  3. 5. elements on the far left side of the periodic table
  4. 6. element in period 4 group 9
  5. 9. atomic number is 1
  6. 11. the element under hydrogen
  7. 14. element symbol is N
  8. 17. element symbol is C
  9. 19. atomic number is 10