The Elemental Crossword Puzzle

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Across
  1. 3. Used in yellow fireworks
  2. 7. Has a series named after it
  3. 9. Created in stars
  4. 11. First radioactive element
  5. 13. Used in Silicone
  6. 15. The most dangerous element
  7. 16. Strengthens your bones
  8. 19. Named after Einstein
  9. 23. One of the two liquid elements
  10. 24. Victorian poison
  11. 25. Used in pools
  12. 26. Used in car parts
  13. 28. Found in matches
  14. 32. Sometimes used in nuclear power
  15. 34. Main composer of air
  16. 36. Used in balloons
Down
  1. 1. Named after the planet in "Superman"
  2. 2. A composer of Bronze
  3. 4. Vital to life
  4. 5. Very corrosive
  5. 6. Named after one of the western states of USA
  6. 8. Similar to Arsenic
  7. 10. Smells like rotten eggs
  8. 12. Used to create green fireworks
  9. 13. Used to make red fireworks
  10. 14. Diamond is one of its forms
  11. 17. Named after the creator of the periodic table
  12. 18. Used in atomic bombs
  13. 20. First artificially synthesized element
  14. 21. Named after the Roman sea god
  15. 22. 118th element
  16. 27. Most radioactive element
  17. 29. Most abundant element in the universe
  18. 30. Used in plane parts
  19. 31. Named after Marie Curie
  20. 33. Used to be used to cure furs
  21. 35. Sounds like "think"