Periodic Table Crossword

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