Atomic Mass At (& Secrets: Uses, Sources and more...) 2022

As anyone would guess, every atom has mass, an important physical property, even Astatine. But how do we know how much does a At atom weight?

First of all, if we know the atom symbol, let's say At, we can open any periodic table and search for Astatine.

In the case of Astatine the answer is 209,9871. However there is a lot of funny facts about Astatine that most people don't know. Shall we have a look?

Astatine Overview

At Atomic Mass

209,9871

Learn more about the atomic mass.

Atomic Symbol

At (Astatine)

Name Origin

Greek: astatos (unstable).

Description

Unstable, radioactive member of the halogen group.

Atomic Number

85

Learn more about the atomic number.

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.

Want to learn more details and data about Astatine (At)? 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 Astatine-At atomic mass 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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