Thulium

=Element Name= By: Erin


 * Atomic Number:** 69


 * Protons:** 69


 * Electrons:** 69


 * Neutrons:** 100


 * Average Atomic Mass:** 169


 * Isotopes:** The most common isotope is 169 Tm. It is most commonly found in minerals like xenotime, monazite, and bastnaesite.


 * Discovery:** This element was discovered by Per Theodore Cleve.
 * Name:** This element was named after Thule, the ancient name for Scandinavia.


 * Uses:**
 * It can be used as as radiation source in portable x-ray machines.
 * Can be used as a magnetic material in microwaves.
 * alloys


 * Interesting Facts**:
 * It can be very difficult to isolate.
 * It is very rare (about as rare as silver or gold.)
 * It can be cut by a knife.

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 * Video:**

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 * Sources**
 * Photo: Periodictable.com []
 * Video: Youtube.com []
 * Information: [], []