Elements

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Across
  1. 5. the metals that are highly reactive and soft
  2. 6. found on the "zig-zag" of the periodic chart
  3. 7. one possible name of the column of the periodic chart
  4. 9. the process where sulfur is used to make rubber
  5. 10. made complicated element symbols
  6. 11. used to solder computer circuits together
  7. 13. can burn very hot, a form often added to water and toothpaste
  8. 15. found in black powder, kills bacteria and molds
  9. 16. a metal that burns in water
  10. 17. gases that do not react with any other elements under normal conditions
  11. 19. found on the left side of the periodic chart
  12. 20. second-most common element, found in sand
  13. 21. makes up most of the air
  14. 24. found in balloons, used as a coolant
  15. 26. a needed nutrient found in sea food
  16. 29. started organizing elements by their characteristics and noticed a pattern
  17. 33. decided first letter or first two letters of element name should be the symbol
  18. 34. made clock numbers glow in the dark in the past
  19. 36. metal that melts in your hand
  20. 37. made and used by plants, helps thing burn better
  21. 40. the most common metal on the planet
  22. 41. organized the elements by atomic number instead of atomic weight
  23. 42. the metals with two valence electrons
  24. 43. found in all living things
Down
  1. 1. the "B" metals
  2. 2. found in table salt, bleach, and forms a toxic gas
  3. 3. makes glass heat resistant, found in cleaners, makes fireworks green
  4. 4. understood the elements' patterns so well he left spaces for undiscovered elements
  5. 8. creates its own light, found in matches and all fireworks
  6. 9. the electrons found in the outer level of an atom
  7. 12. used in making bricks and concrete
  8. 14. discovered the element pattern of eight
  9. 15. used in making fireworks red in color
  10. 16. the process of melting metal
  11. 18. a metal we burned during class
  12. 22. used to make computer circuits
  13. 23. the name of a row of the periodic chart
  14. 25. last name of people that discovered many elements and organized a chart of them
  15. 27. the substance found in fluorescent light bulbs
  16. 28. commonly found in bright orange signs
  17. 30. kills mold and makes cloth fire-resistant
  18. 31. converts nitrogen into a usable form for plants
  19. 32. a strong light-weight metal used in a space teloscope
  20. 35. first used symbols for elements
  21. 38. group named because they forms salts when bonded to a metal, highly reactive
  22. 39. poisonous, used for types of leukemia, used to be used as a green dye