Periodic family

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Across
  1. 3. conductors of electricity
  2. 4. of bottom two rows taken out of Periodic Table
  3. 5. up of elements that have similar chemical and physical properties.
  4. 7. to combine most often with Group 7
  5. 8. substance made up of only 1 type of atom
Down
  1. 1. conductors of electricity
  2. 2. of bottom two rows taken out of Periodic Table
  3. 3. of both metals and non-metals
  4. 6. columns on the Periodic Table