Electron Affinity of Astatine (At) [& Color, Uses, Discovery ... 2022

In chemistry, the electron affinity of an atom of Astatine is defined as the amount of energy released or spent when an electron is added to a neutral atom in the gaseous state to form a negative ion. But what is the electron affinity of an atom of At?

In the case of Astatine the electron affinity is 270.1 kilojoules per mole.  There are a lot of cool facts about Astatine that most people don't know. Check this...

Astatine Facts

Astatine Electron Affinity

270.1 kilojoules per mole

State at 20 °C

solid

Discovery

Discovered By: D.R.Corson, K.R.MacKenzie, E.Segré
Year: 1940
Location: United States

Uses

Since its isotopes have such short half-lives there are no commercially significant compounds of astatine.

Sources

Does not occur in nature. Similar to iodine. Produced by bombarding bismuth with alpha particles.

Description

Unstable, radioactive member of the halogen group.

Atomic Symbol

At

Name Origin

Greek: astatos (unstable).

Atomic Number

85

Learn more about the atomic number.

Atomic Mass

209,9871

Learn more about the atomic mass.

Want to learn more details and data about Astatine (At)? 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 Astatine electron affinity 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

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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. "Electron Affinity of Astatine (At) [& Color, Uses, Discovery ..." 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.