Periodic Table Crossword

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Across
  1. 5. a horizontal row on the Periodic Table
  2. 6. element with the chemical symbol O
  3. 9. the seventh element on the Periodic Table
  4. 10. a vertical column on the Periodic Table
  5. 11. element with the chemical symbol Si
  6. 12. a substance made of only one type of atom
  7. 13. elements on the left side of the Periodic Table
Down
  1. 1. element with the chemical symbol C
  2. 2. the first element on the Periodic Table
  3. 3. element with the chemical symbol Au
  4. 4. element with the chemical symbol Ne
  5. 7. particles that make up all matter
  6. 8. elements on the right side of the Periodic Table