Atomic Mass 145 (+ facts: Sources, Uses, Color and more...) 2022

All atoms have mass (atomic mass). But what is the chemical element that has 144,9127 as atomic mass?

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

144,9127

Learn more about the atomic mass.

Atomic Number

61

Learn more about the atomic number.

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

State at 20 °C

Solid

Sources

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

Name Origin

Named for the Greek god, Prometheus.

Uses

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...

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]