Chemistry Crossword

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Across
  1. 2. what is the atomic number of oxygen
  2. 7. what is the atomic number of Mercury
  3. 8. what is the atomic number of Fluorine
  4. 9. what kind of metal is Radium
  5. 11. what does Sn stand for
  6. 13. what does Cl stand for
Down
  1. 1. what is the atomic mass of oxygen
  2. 3. Copper has an atomic number of
  3. 4. what kind of metal is Hydrogen
  4. 5. what is the atomic number of Tellurium
  5. 6. what does Pb stand for
  6. 10. carbon is not a
  7. 12. what is the atomic mass of Boron