Atomic Number of Protactinium (+ facts: Uses, Color and more...) 2022

Every atom has an atomic number, even Protactinium. But what is an "Atomic Number"?

The atomic number of a chemical element is the number of protons found in the nucleus of the atom of that element.

Ok so I'll take you through some interesting facts and data about Protactinium (That most people don't know).

Protactinium Overview

Atomic Number

91

Learn more about the atomic number.

Atomic Symbol

Pa (Protactinium)

Description

Very rare, silvery-white, extremely radioactive metal.

State at 20 °C

solid

Sources

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

Uses

It has no significant commercial applications.

Discovery

Discovered By: Fredrich Soddy, John Cranston, Otto Hahn, Lise Meitner

Year: 1917

Location: England/France

Name Origin

Greek: proto and actinium (parent of actinium); it forms actinium when it radioactively decays.

Atomic Mass

231,03588

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 Protactinium-Pa atomic number and all the other atom 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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