Covalent Radius of Iridium☢️ (Ir) rev. 2022 - & Sources, Uses ...

Molecules and atoms have a certain 'size or radius', even Iridium. Ok but what is the covalent radius of an atom of Ir?

In the case of Iridium the covalent radius is 1.27 Å. You see, there is a lot of info about Iridium (beyond an atom's radius) that is actually interesting. Let me show you...

Iridium Facts

Iridium Covalent Radius

1.27 Å

Atomic Number


Learn more about the atomic number.

State at 20 °C



Used with osmium to tip gold pen points, to make crucible and special containers. Also to make alloys used for standard weights and measures, and heat-resistant alloys. Also as hardening agent for platinum.


Found in gravel deposits with platinum.


Heavy, brittle, white metal.

Atomic Symbol


Name Origin

Latin: iris (rainbow).

Atomic Mass


Learn more about the atomic mass.


Discovered By: S.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
Year: 1804
Location: England/France

Want to learn more details and data about Iridium (Ir)? 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 Iridium covalent radius 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]


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


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