Properties of the Periodic Table

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Across
  1. 4. The columns on the periodic table
  2. 5. dull and brittle
  3. 7. Brittle solid that conducts electricity well
Down
  1. 1. The rows on the periodic table
  2. 2. shiny and malleable
  3. 3. A bad conductor of electricity
  4. 6. A good conductor of electricity