Periodic Table

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Across
  1. 3. in pencil
  2. 5. for nuclear power plants and the nuclear reactors
  3. 7. Lightest atom
  4. 10. Diamond
  5. 11. Makes a bright light when combined with Oxygen
  6. 13. When inhaled your voice is squeaky
  7. 14. Atomic Symbol
Down
  1. 1. Marie Curie Created
  2. 2. One of the elements to make the alloy bronze
  3. 3. Often in Batteries
  4. 4. Tinfoil
  5. 6. Heavest Atom
  6. 8. We breathe it
  7. 9. Often Material for swords
  8. 12. in Jewellery