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Origin / Meaning of the name Thulium
Named after Thule, an
ancient Roman name for a mythical country in the far north,
possibly Scandinavia.
Periodic Table Group and Classification of the of the Thulium Element
Elements can be classified based on their physical states (States
of Matter) e.g. gas, solid or liquid. This element is a solid. Thulium
classified
as an element in the Lanthanide series as one of the "Rare Earth
Elements" which can located in Group 3 elements of the Periodic
Table and in the 6th and 7th periods. The Rare Earth Elements are
divided into the Lanthanide and Actinide series. The elements in
the Lanthanide series closely resemble lanthanum, and one another,
in their chemical and physical properties. Their compounds are
used as catalysts in the production of petroleum and synthetic
products. Nearly 75%
of all the elements in the Periodic Table are classified as
metals which are detailed in the
List of Metals.
Facts about the
Discovery and
History of the Thulium
Element
Thulium was discovered by
Per Teodor Cleve in Sweden in 1879
History of the Periodic Table
Check out the brief
History of the
Periodic Table which details dates and the names of famous
scientists and chemists who contributed to the development of
the Periodic Table.
Occurrence of the Thulium Element
Found in small quantities in minerals with other rare earths -
gadolinite, euxenite, xenotime
Abundances of the element in different environments
% in Universe
1×10-8%
% in Sun 2×10-8%
% in Meteorites 2.9×10-6%
% in Earth's Crust 0.000045%
% in Oceans 2×10-11%
% in Humans N/A
Associated Uses of Thulium
Lasers
Power for portable x-ray machines
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