Atomic Mass Pm (& Secrets: Uses, Sources and more...) 2022

As anyone would guess, every atom has mass, an important physical property, even Promethium. But how do we know how much does a Pm atom weight?

First of all, if we know the atom symbol, let's say Pm, we can open any periodic table and search for Promethium.

In the case of Promethium the answer is 144,9127. However there is a lot of funny facts about Promethium that most people don't know. Shall we have a look?

Promethium Overview

Pm Atomic Mass

144,9127

Learn more about the atomic mass.

Atomic Symbol

Pm (Promethium)

Name Origin

Named for the Greek god, Prometheus.

Description

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

Atomic Number

61

Learn more about the atomic number.

State at 20 °C

Solid

Discovery

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

Year: 1945

Location: United States

Uses

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

Sources

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

Want to learn more details and data about Promethium (Pm)? 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 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]