Period Number of Promethium (Pm) (& Location, Uses ... 2022

All atoms have a period number assigned, even Promethium. Ok but how do we know what is the period name for an atom of Pm?

If we know the symbol, let's say Pm, we may then open any periodic table and search for Promethium. Any decent periodic table should have the period numbers when you scroll left starting from the element you found.

In the case of Promethium the period number is 6. There is a lot of cool stuff about Promethium that people simply don't know. Let me show you...

Promethium Overview

Pm Period Number

6 (Period Number)
lanthanides (Group Number)

Atomic Number

61

Learn more about the atomic number.

Atomic Mass

144,9127

Learn more about the atomic mass.

Discovery

Discovered By: J.A. Marinsky, L.E. Glendenin, C.D. Coryell
Year: 1945
Location: United States

State at 20 °C

Solid

Description

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

Atomic Symbol

Pm

Name Origin

Named for the Greek god, Prometheus.

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.

Want to learn more details and data about Promethium (Pm)? Check my Elements Comprehensive List.

Video

Are you having trouble understanding the basics of atomic elements? This video will walk you through:

• What is an element
• What is a substance
• What Elements look like
• How a small number of atoms can be joined and form completely different substances

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 period number 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]

Citation

When you need to include a fact or piece of information in an assignment or essay you should also include where and how you found that piece of information.

That gives credibility to your paper and it is sometimes required in higher education.

To make your life (and citation) easier just copy & paste the information below into your assignment or essay:

Luz, Gelson. "Period Number of Promethium (Pm) (& Location, Uses ..." Materials. Gelsonluz.com. dd mmmm. yyyy. <URL>

Now replace dd, mmmm and yyyy with the day, month, and year you browsed this page. Also replace URL for the actual url of this page (The < and > stay, ok?). This citation format is based on MLA.