Periodic Table Groups

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Across
  1. 3. Includes the elements in the d block
  2. 4. The elements in this family are fluorine, chlorine, bromine, iodine, and astatine.
  3. 6. First Column on the periodic Table
  4. 9. Named after the first element in the family.
Down
  1. 1. This family have 6 valence electrons.
  2. 2. Named after the element that makes up 78% of our atmosphere.
  3. 5. Atoms of this family have 4 valence electrons.
  4. 7. They are never found uncombined in nature
  5. 8. Are found in small amounts in the earth's atmosphere