Chemistry

1234567891011121314151617181920
Across
  1. 3. vertical
  2. 6. where are electrons found
  3. 7. chemically combined
  4. 10. h2o
  5. 11. when things get hot
  6. 14. protons and neutrons
  7. 15. superhero element
  8. 18. whats the staircase in the PT
  9. 20. sand and water
Down
  1. 1. burns things
  2. 2. when things get cold
  3. 4. unit of measurement for amount of substance
  4. 5. metal and nonmetal bond
  5. 8. what identifies an element
  6. 9. mass/volume
  7. 12. cannot be broken down
  8. 13. used to wrap sandwiches
  9. 16. horizontal
  10. 17. nuclear radiation
  11. 19. solid to liquid