Periodic table crosswords

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Across
  1. 2. Horizontal row in the periodic table
  2. 7. What group 7 elements are refered to as
  3. 9. What group 1 elements are refered to as
  4. 10. Ductile, Malleable and present in Group 1 and more
Down
  1. 1. What group 0 elements are refered to as
  2. 3. Dull,Brittle in solid form,Lower densities and Melting points
  3. 4. Vertical column in the periodic table
  4. 5. Predictible patterns in a group from top to bottom or bottom to top
  5. 6. Most reactive element in group 1
  6. 8. Rarest element in the periodic table, located in group 7