The answer is Promethium. There is so much cool stuff about Promethium that I would keep reading if I were you.
Alright now to the facts!
Promethium Overview
Atomic Mass
Description
Rare earth metal of synthetic origin on the earth, naturally made in stars.
Atomic Symbol
Pm (Promethium)
Discovery
Discovered By: J.A. Marinsky, L.E. Glendenin, C.D. Coryell
Year: 1945
Location: United States
Discovered By: J.A. Marinsky, L.E. Glendenin, C.D. Coryell
Year: 1945
Location: United States
State at 20 °C
Solid
Sources
Does not occur naturally. Found among fission products of uranium, thorium, and plutonium.
Does not occur naturally. Found among fission products of uranium, thorium, and plutonium.
Name Origin
Named for the Greek god, Prometheus.
Named for the Greek god, Prometheus.
Uses
It has been used as a source of radioactivity for thickness-measuring gages.
It has been used as a source of radioactivity for thickness-measuring gages.
Want to learn more details and data about Promethium? Check my Elements Comprehensive List.
Colored Periodic Table
Need an editable periodic table to edit? Maybe add your school logo, work team or anything else to maker your paper look cool?
Along with basic atom / element information (like Promethium-144,9127 atomic mass and all the other atomic data), it also comes with color coded info about: State (Gas, Liquid or Solid at room temperature), Groups/series details and much more...
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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]
Along with basic atom / element information (like Promethium-144,9127 atomic mass and all the other atomic data), 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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