Atomic Symbol for Promethium (& Cool facts: Sources, Color, Uses and more...) 2022

Some atom symbols are easy to figure out, some are not...

The only sure thing is that every atom has a symbol. But what is the atom whose symbol is Pm?

The answer is Promethium (Pm). However there is a lot of stuff about Promethium that people don't know. Let me walk you through...

Promethium Overview

Atomic Symbol

Pm (Promethium)

Sources

Does not occur naturally. Found among fission products of uranium, thorium, and plutonium.

Description

Rare earth metal of synthetic origin on the earth, naturally made in stars.

Name Origin

Named for the Greek god, Prometheus.

State at 20 °C

Solid

Uses

It has been used as a source of radioactivity for thickness-measuring gages.

Discovery

Discovered By: J.A. Marinsky, L.E. Glendenin, C.D. Coryell

Year: 1945

Location: United States

Atomic Number

61

Learn more about the atomic number.

Atomic Mass

144,9127

Learn more about the atomic mass.

Want to learn more details and data? 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-Pm and all the other atom symbols / 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).
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