Enthalpy of Fusion of Protactinium (Pa) + Color, Sources, Discovery ... 2022

Energy and heat may change a substance's state from solid to liquid (Fusion). Such energy may be called enthalpy of fusion and it is important even for Protactinium. Ok, so what is the enthalpy of fusion for an atom of Pa?

Note: Learn more about the enthalpy of fusion here.

In the case of Protactinium, enthalpy of fusion is 12.34 kilojoules per mole. There are non heat related facts about Protactinium that you might like to know. I'll walk you through...

Protactinium Facts

Protactinium Enthalpy of Fusion

12.34 kilojoules per mole

State at 20 °C



It has no significant commercial applications.

Atomic Mass


Learn more about the atomic mass.


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


Very rare, silvery-white, extremely radioactive metal.

Atomic Symbol


Name Origin

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

Atomic Number


Learn more about the atomic number.


Discovered By: Fredrich Soddy, John Cranston, Otto Hahn, Lise Meitner
Year: 1917
Location: England/France

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


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Colored Periodic Table

Need an editable periodic table to edit? Maybe add your school logo, work team or anything else to make your paper look cool?

Along with basic atom / element information (like Protactinium enthalpy of fusion 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).
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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



Materials: Enthalpy of Fusion of Protactinium (Pa) + Color, Sources, Discovery ... 2022
Enthalpy of Fusion of Protactinium (Pa) + Color, Sources, Discovery ... 2022
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