Interesting Facts about PROMETHIUM ***

Facts about Promethium

Facts About

The Element Promethium is defined as...
A radioactive metallic element of the rare-earth group obtained as a fission product of uranium or from neutron-irradiated neodymium.

What are the origins of the word Promethium?
The name originates from Prometheus from Greek mythology, who stole the fire of the sky and gave it to mankind.

Facts about the Classification of the Element Promethium
Promethium 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.

Brief Facts about the Discovery and History of the Element Promethium
Promethium was discovered by Jacob A. Marinsky, Lawrence E. Glendenin and Charles D. Coryell in 1946

Occurrence of the element Promethium
Promethium does not naturally occur on earth
Identified in the spectrum of the star HR465 in Andromeda.

Common Uses of Promethium
Nuclear batteries
Light sources
The Properties of the Element Promethium

Name of Element : Promethium
Symbol: Pm
Atomic Number: 61
Atomic Mass: (145.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 61
Number of Neutrons: 84
Crystal Structure: Hexagonal
Density @ 293 K: 6.475 g/cm3
Color: Unknown