Transition Metals!

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