Chemistry

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Across
  1. 5. Number 2 on the periodic table
  2. 9. Number 7 on the periodic table
  3. 11. Number 1 on the periodic table
  4. 12. The same number as protons
  5. 13. The number in the top corner is called
  6. 15. Has all of the elements on it
Down
  1. 1. Number 8 on the periodic table
  2. 2. The atomic number is 14
  3. 3. Atomic mass is 18.998
  4. 4. Atomic mass is 20.18
  5. 6. A mixture between a metal and a non-metal
  6. 7. The number at the bottom is called
  7. 8. Atomic mass is 6.941
  8. 10. Atomic mass is 12.01
  9. 14. Atomic mass is 10.81