Periodic table

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Across
  1. 4. number on a square above the chemical
  2. 5. of the element and below the symbol are the full name
  3. 7. You can perdict a lot about the chemical
  4. 8. and in the middle of the table
  5. 9. The periodic table is the most powerful tool in chemist
  6. 10. on the periodic table with one or two letter chemicals
  7. 13. Atoms are listed in order of increasing
  8. 14. and are good of heat
Down
  1. 1. What makes the periodic table really invaluable
  2. 2. Metallic elements are and are good
  3. 3. The 7 horizontal rows are called
  4. 6. Nonmetals generally are not and not good
  5. 9. each element has unique atomic number a pattern
  6. 11. The diving line between metals and nonmetals
  7. 12. Most are and you can find them