2022: ☢️ Ionic Radius of Iodine (I) [& Discovery, Color, Uses ...

All atom's ions have an ionic radius, even Iodine. Ok so what is the ionic radius of a Iodine ion?

In the case of Iodine the ionic radius is 2.20 (-1) Å. Speaking of Iodine, let me walk you through some interesting details...

Iodine Facts

Iodine Ionic Radius

2.20 (-1) Å


Discovered By: Bernard Courtois
Year: 1811
Location: France

Atomic Mass


Learn more about the atomic mass.


Required in small amounts by humans. Once used as an antiseptic, but no longer due to its poisonous nature.


Occurs on land and in the sea in sodium and potassium compounds.


Shiny, black, non-metalic solid; as a gas it is violet and intensely irritating to the eyes, nose and throat.

Atomic Symbol


Name Origin

Greek: iôeides (violet colored).

State at 20 °C


Atomic Number


Learn more about the atomic number.

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


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 make your paper look cool?

Along with basic atom / element information (like Iodine ionic 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]


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. "Ionic Radius of Iodine (I) [& Discovery, Color, 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.



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Materials: 2022: ☢️ Ionic Radius of Iodine (I) [& Discovery, Color, Uses ...
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