Periodic Table Crossword

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Across
  1. 3. Number equal to the number of protons in an atom
  2. 6. Ductile, malleable, and shiny
  3. 9. Group18
  4. 10. Repeating in pattern
  5. 12. Negative sub-atomic particle
  6. 13. Positive sub-atomic particle
  7. 14. Horizontal rows on the Periodic Table
Down
  1. 1. Group one
  2. 2. Another name for group
  3. 4. Smallest unit of an element
  4. 5. Has characteristics of both metals and non-metals
  5. 6. Created the modern Periodic Table
  6. 7. Poor, conductor, dull, and brittle
  7. 8. Neutral sub-atomic particle
  8. 11. Vertical columns on the Periodic Table