Periodic Table

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Across
  1. 3. ___ Metals, they constitute Group 1 on the Periodic Table
  2. 4. ___ Gases, they comprise Group 18 of the Periodic Table
  3. 6. Elements that have properties of both metals and nonmetals
  4. 7. The quality of an atom that describes how reactive it is
  5. 9. Elements form these when they come together and share electrons
  6. 11. ___ Earth Metals, they make up Group 2 on the Periodic Table
  7. 12. These are elements that lack metallic qualities and are observed to be anywhere from colorful gases to shiny crystals
Down
  1. 1. Elemental group whose elements contain 7 valence electrons (F, Cl, I, etc.)
  2. 2. ___ Electrons located on the outermost shell of an atom
  3. 5. The series of elements with atomic numbers 89-102
  4. 8. ___ Metals, they have many favorable properties/uses and some examples are Gold, Silver, Copper, Titanium, and Cobalt
  5. 10. The series of elements with atomic numbers 57-70