Difference between revisions of "Promethium"

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Revision as of 04:29, October 15, 2012

Promethium
Properties
Atomic symbol Pm
Atomic number 61
Classification Metallic
Atomic mass 145 amu
Other Information
Date of discovery 1945
Name of discoverer J.A. Marinsky, L.E. Glendenin and C.D. Coryell
Name origin From Prometheus who stole the fire of the sky and gave it to mankind.
Uses Used in highly specialized miniature batteries.
Obtained from All the promethium originally present when the Earth formed has disappeared due to radioactive decay. Only very small trace amounts are found in uranium ores as a product of nuclear fission.