Periodic Table

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Across
  1. 2. 79 protons
  2. 5. Metal
  3. 7. 19 Valence electrons
  4. 9. group 4
  5. 10. Group 7
  6. 12. group 4
  7. 13. Not reactive
Down
  1. 1. Non Metal
  2. 3. Group 1 most reactive
  3. 4. 13 electrons
  4. 6. Period 3
  5. 8. Most reactive
  6. 11. Metaloid