Elements & Periodic Table

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Across
  1. 3. The symbol for arsenic.
  2. 5. The symbol for element 77 in the periodic table.
  3. 8. The symbol for gadolinium
  4. 9. The symbol for manganese.
  5. 12. Can be used to inflate balloons.
  6. 13. This element has the symbol B
  7. 14. A well known planet
  8. 15. A light, silvery metal used to make window frames
  9. 17. A soft, grey malleable metal used in plumbing and fishing.
  10. 18. Cane be used to make electricity.
Down
  1. 1. helps fight against osteoporosis.
  2. 2. more expensive than gold.
  3. 4. Superman came from here.
  4. 6. 4th column from the left.
  5. 7. This element is very common in sea water.
  6. 10. As bright as a _________ light.
  7. 11. The element 42 in the periodic table.
  8. 12. Cars in the future will be fueled by this.
  9. 15. The symbol for argon.
  10. 16. The opposite of non-metal.