On this page I'll provide comprehensive data for Promethium. I hope you profit from it.
Promethium Overview
Symbol
Pm (Promethium)Description
Rare earth metal of synthetic origin on the earth, naturally made in stars.
Name Origin
Named for the Greek god, Prometheus.
Discovery
Discovered By: J.A. Marinsky, L.E. Glendenin, C.D. Coryell
Year: 1945
Location: United States
Sources
Does not occur naturally. Found among fission products of uranium, thorium, and plutonium.
Uses
It has been used as a source of radioactivity for thickness-measuring gages.
State at 20 °C
Solid
Atomic Number
61Learn more about the atomic number.
Atomic Mass
-144,9127
Learn more about the atomic mass.
Colored Periodic Table
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Along with basic element information of Promethium and all the other elements, it also comes with color coded info about: State (Gas, Liquid or Solid at room temperature), Groups/series details and much more...
How about an incentive to share this post? (You will help other colleagues find this blog)
Download and enjoy this complete and colored periodic table for you to edit and enjoy. It's in an editable excel format or .ods (open).
[lock][Download excel ##download##]
[Download open .ods format ##download##][/lock]
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