The periodic table

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123456789101112131415
Across
  1. 4. Element with the symbol Fe
  2. 5. Element with the symbol Te
  3. 10. The name of group two
  4. 11. Halogen that is a purple solid at room temperature
  5. 13. The group number of the noble gases
  6. 14. Element in group five, period two
  7. 15. The least reactive element in group one
Down
  1. 1. Noble gas used in party balloons
  2. 2. A column going down the table
  3. 3. A gas produced when alkali metals react with water
  4. 6. A substance made from only one type of atom Mendeleev The scientist who created the periodic table
  5. 7. A row going across the table
  6. 8. The most reactive element in group seven
  7. 9. Element with the symbol Cs
  8. 12. Element in group one, period four