Periodic Trends

Edit Answers
123456789101112131415161718192021
Across
  1. 3. Co
  2. 4. Mg
  3. 8. what we breathe in
  4. 11. Fe
  5. 12. Zn
  6. 15. smallest thing that can exist
  7. 16. S
  8. 17. K
  9. 19. Br
  10. 21. 1st element on the periodic table
Down
  1. 1. Ti
  2. 2. V
  3. 5. Ar
  4. 6. B
  5. 7. 11th element on the periodic table
  6. 9. Ne
  7. 10. which goes first metals or non-metals
  8. 13. 6th element on the periodic table
  9. 14. Ca
  10. 18. 32nd element on the periodic table
  11. 20. P
  12. 21. water