Periodic Table

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Across
  1. 1. Noble gas found in the first period containing transition metals
  2. 8. Contains only radioactive metals and synthetic elements
  3. 9. Calcium and Barium fit into this category
  4. 10. Only noble gas with 2 valence electrons
  5. 13. Largest category on the periodic table
  6. 15. Only nonmetal on the left side of the periodic table
  7. 16. Ions creates 2- charges
Down
  1. 2. This element’s ions have a 3- charge and it is in the first period where 8 electrons can be in the valence shell.
  2. 3. First created by Dmitri Mendeleev
  3. 4. This family contains solids, liquids, and gases at room temperature
  4. 5. Create ions with a plus one charge
  5. 6. The elements in this group are unreactive
  6. 7. Don’t fit into either of the periodic table’s two main categories.
  7. 11. Halogen in period 3
  8. 12. Most reactive nonmetal
  9. 14. Form positive ions