The Periodic Table

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Across
  1. 1. This period has 8 elements
  2. 3. located between the transitional metals and the metalloids
  3. 7. They are silvery that are soft malleable, and ductile
  4. 8. This period has 18 elements
  5. 10. Metals in this family typically form two or more oxidation states
  6. 13. This period contains rare earth metals such as gold and platinum
  7. 15. This element is in the first period
  8. 16. This element found in period 5 is one of the three heaviest
  9. 17. These are the second most reactive group on the periodic table
  10. 19. This has properties of both metals and no metals
  11. 20. This consists of all the elements in group one except group one
Down
  1. 2. The only group in the periodic table that has 3 states of matter at standard temperature.
  2. 4. A family of rare earth metals that contain one valence electron in the 3d shell
  3. 5. This element found in period 2 can be used to make glowing signs
  4. 6. All elements in the 7th period are what?
  5. 9. This element is on period 3 and is in the metalloid family
  6. 11. This element is from period 6 and is n the noble gases family
  7. 12. This element found in period 3 can be used to disinfect swimming pools
  8. 14. They can be found in group 18
  9. 18. This family has catalytic tendencies