Periodic Table

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12345678910111213141516171819202122
Across
  1. 3. country where cerium was discovered
  2. 6. symbol of the element whose atomic number is 87
  3. 7. name of the element which comes from the Latin cuprum
  4. 8. atomic number of titanium
  5. 10. name of the second rarest element in the entire periodic table
  6. 11. name of the element that decomposes slowly in water
  7. 14. name of the city where the francium was discovered
  8. 15. name of the country that produces the most zinc in the world
  9. 16. surname of the discoverer of the element zinc
  10. 18. country where iron was discovered
  11. 20. symbol of the element good for health and the nervous system
  12. 21. name of one of the elements present in asteroids
  13. 22. symbol of the element discovered by William Gregor
Down
  1. 1. atomic number of copper
  2. 2. symbol of palladium
  3. 4. name of the element responsible for the death of 6 workers in the USA
  4. 5. atomic number of nitrogen
  5. 6. atomic number of the element found in australia, ethiopia, russia...
  6. 9. first name of the discoverer of palladium
  7. 12. name of an element title of a David Guetta song
  8. 13. atomic number of cerium
  9. 17. symbol of the element whose atomic number is 26
  10. 19. symbol of the element whose atomic number is 30