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!Thulium!

!Thulium!. 69. Thulium™. 168.93 Period: 6 Group: 16. Self Portrait. Thulium (x999,999,999, etc.). Physical Properties. Standard State: Solid Density: 9.32 g/cm^3 Melting Point: (1545 C)(2813 F) Boiling Point: (1950 C)(3542 F) -chemical-elements.findthedata.org

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!Thulium!

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  1. !Thulium!

  2. 69 Thulium™ 168.93 Period: 6 Group: 16

  3. Self Portrait

  4. Thulium (x999,999,999, etc.)

  5. Physical Properties • Standard State: Solid • Density: 9.32 g/cm^3 • Melting Point: (1545 C)(2813 F) • Boiling Point: (1950 C)(3542 F) -chemical-elements.findthedata.org Has a luminesce and silver color The metal is soft -Wikipedia

  6. Chemical Properties • Tarnishes slowly in air • Burns at 150 C to form thulium oxide • Reacts with all halogens • Dissolves in sulfuric acid -Wikipedia

  7. Uses • Portable X-rays • Lasers • Nuclear Reactors • Microwave Equipment -Wikipedia

  8. History • Thulium was discovered by Per Teodor Cleve in 1879 • Thulium was so rare, early workers didn’t have enough to purify it into it’s green color • Charles James was the first to obtain nearly pure thulium • The price was $13,300 per kg in 1998 -Wikipedia

  9. Isotopes Thulium’s only isotope is Thulium-169

  10. Interesting Facts • It was named after Thule, the ancient name for Scandinavia • It is the rarest of the Lanthanides • It can be cut with a knife • Thulium has very few uses • One of the most obscure elements in the periodic table

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