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