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Origin / Meaning of the name Promethium
The name originates
from Prometheus from Greek mythology, who stole the fire of the
sky and gave it to mankind.
Periodic Table Group and Classification of the of the Promethium Element
Elements can be classified based on their physical states (States
of Matter) e.g. gas, solid or liquid. This element is a solid. Promethium
is
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.
The
Discovery of Promethium
Promethium was discovered by
Jacob A. Marinsky, Lawrence E. Glendenin and Charles D. Coryell
in 1946
Facts about the History of the Discovery of Promethium
Element
Properties within each individual group are similar, but
nevertheless vary within a group. Generally chemical activity
decreases as the period increases a non-metal group and increases
as the period increases within a metal group. The first element in
a group is always an active metal, the last is always an inactive
non-metal.
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 Promethium Element
Promethium does not naturally occur on earth
Identified in the spectrum of the star HR465 in Andromeda.
Abundances of the element in different environments
% in Universe N/A
% in Sun None
% in Meteorites None
% in Earth's Crust None
% in Oceans None
% in Humans None
Associated Uses of Promethium
Nuclear batteries
Light sources |
