Tm

Thulium

Z 69 168.934 g/molLanthanide

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

3

Period

6

Block

f

Occurrence

Primordial

Biological Role

---

History

1879 (discovery)

Per Theodor Cleve

1936 (isolation)

Wilhelm Klemm, Heinrich Bommer

Named By

Per Theodor Cleve

Latin Name

Thulium

Abundance

Universe

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x