Mr. Periodic

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Across
  1. 3. Elements found in Group 17 of the Periodic Table
  2. 5. Poor conductors of electricity
  3. 6. Property of matter that can be observed or measured with changing it
  4. 7. Elements found in Group 1 of the Periodic Table
  5. 9. Elements found in Group 18 of the Periodic Table
  6. 13. positively charge particle of an atom
  7. 14. A particle found in the nucleus of an atom
  8. 15. The columns of elements
Down
  1. 1. Property of matter that can be observed or measured without changing it
  2. 2. Elements found in Groups 3 to 12 in the Periodic Table
  3. 4. Elements that are metals and are right to the Transition metals of the Periodic Table
  4. 8. Elements that are semimetals
  5. 10. Earth Elements found in Group 2 of the Periodic Table
  6. 11. Negative charged particle of an atom
  7. 12. The rows of elements