Chemistry

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Across
  1. 3. what goes first metals or non-metals
  2. 6. Na
  3. 7. When 2 or more element mixed together but not chemically bonded
  4. 8. fifth element of the periodic table
  5. 11. 9th element of the periodic table
  6. 14. first element of the periodic table
  7. 16. 20th element of the periodic table
  8. 18. second element of the periodic table
  9. 19. NaCl
  10. 20. Ni
  11. 22. Ar
Down
  1. 1. P
  2. 2. 6th element of the periodic table
  3. 4. when the particles bond together
  4. 5. Who invented the periodic table
  5. 9. Be
  6. 10. Smallest thing that can exist
  7. 12. third element of the periodic table
  8. 13. the gas we breathe with
  9. 15. Si
  10. 17. H2O
  11. 19. S
  12. 21. Ne