periodic table

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Across
  1. 2. column on the periodic table
  2. 5. a word that means purple in Greek (old language)
  3. 7. very brittle and unmalleable
  4. 10. name of group 16
  5. 13. used in shop signs
  6. 16. the symbol for this element is Hs
  7. 17. very shiny and ductile
  8. 18. used to make diamonds
  9. 19. found in pool
  10. 20. name of group 18
  11. 24. what you usually use to make glass
  12. 26. name of group 1
  13. 28. what you call someone stupid that starts with a "b"
  14. 29. used in wires
  15. 30. only metal that is liquid at room temperature
  16. 31. makes your voice sound squeeky
Down
  1. 1. use to make jewlery
  2. 3. a system showing that a music record has been sold alot
  3. 4. name of groups 3 to 12
  4. 6. the element we need to breathe
  5. 8. half a dime
  6. 9. subatomic particle with a negative charge
  7. 11. number of protons and neutrons in an atom
  8. 12. radio active element often used in nucleur power stations
  9. 14. represents an element
  10. 15. name of song by David Guetta and Sia
  11. 21. second place medal in olympics
  12. 22. most reactive nonmetal
  13. 23. name of group 17
  14. 25. usually found in milk & cheese
  15. 27. have properties of metals and nonmetals