Periodic Table -> Thulium

Thulium

Thulium Details

Thulium Symbol: Tm

Thulium Atomic Number: 69

Thulium Atomic Weight: 168.934

What is Thulium?
Soft grey metallic element that belongs to the lanthanoids. One natural isotope exists, Tm-169, and seventeen artificial isotopes have been produced. No known uses for the element. Discovered in 1879 by Per Theodor Cleve.

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