Periodic Table

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Across
  1. 2. The horizontal grouping on the periodic table
  2. 5. The block containing Lanthanides and Actinides
  3. 7. Metals with 2 valence electrons
  4. 12. What group 17 is called
  5. 14. How the elements are organized from left to right
  6. 16. Elements are energetically stable with a full valence shell
  7. 17. The only gases on the periodic table
  8. 18. The block after the transition metals
  9. 19. The group containing the 10 heaviest elements
  10. 20. The type of ion non-metals create
Down
  1. 1. The vertical categorization of elements
  2. 3. The first two columns
  3. 4. The group with the lowest amount of valence electrons.
  4. 6. Another name for transition metals
  5. 8. The group of metals with differing levels of electrons
  6. 9. The type of ion metals create
  7. 10. The non-metal that’s farthest left
  8. 11. Electrons in the outer most energy lever
  9. 13. The group with the lowest number of valence electrons
  10. 15. The group between post transition metals and metals