PERIODIC TABLE VIDEO CROSSWORD

Edit Answers
1234567891011121314151617181920
Across
  1. 3. Published an identical table for identifying elements
  2. 6. came up with the idea of listing element by mass
  3. 7. elements not found in nature have been
  4. 10. most powerful tool for chemist
  5. 12. each level corresponds to a different
  6. 14. each element is represented by a(n)
  7. 15. middle blocks on the periodic table
  8. 18. far right of the periodic table
Down
  1. 1. what makes the periodic table invaluable
  2. 2. the s and p blocks are known as
  3. 4. you can predict an elements______
  4. 5. nonmetals are typically not good
  5. 8. number of naturally occuring elements
  6. 9. named for their ______ on the table
  7. 10. elements with these similarities were listed together
  8. 11. basis for organizing the elements
  9. 13. atomic number represents these
  10. 16. number elements are aligned by
  11. 17. most elements are______
  12. 19. fewer than ____ elements discovered in the 1800s
  13. 20. most elements are typically____