Periodic Table Crossword

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