Transition Metals!

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Across
  1. 3. founded Tantalum.
  2. 6. Iridium was founded by...
  3. 8. used in chemical plants, nuclear power plants, and missiles.
  4. 9. carries a series of God, Silver, and Platinum.
  5. 12. He patented an element
  6. 13. Finally named it "Niobium" in 1844.
  7. 15. The densest metal.
Down
  1. 1. was once a patented element.
  2. 2. Made photography possible.
  3. 4. The most ductile metal.
  4. 5. The bridge between metals and nonmetals.
  5. 7. First discovered in 1734 by the first governor of Connecticut.
  6. 10. Spain and Italy have the greatest supply of this.
  7. 11. The most expensive metal (covered in this unit)
  8. 14. An element in the platinum group founded by Karl Karlovich Klaus.