Periodic Table

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Across
  1. 2. Ability to conduct electricity
  2. 4. tendancy to accept an electron
  3. 6. Column
  4. 7. liquid metal
  5. 8. First element
  6. 9. Group18
Down
  1. 1. Group17
  2. 3. row
  3. 5. distance between atomic nucleus and outermost electron