Atomic Symbol for Astatine (& Cool facts: Sources, Color, Uses and more...) 2022

Some atom symbols are easy to figure out, some are not...

The only sure thing is that every atom has a symbol. But what is the atom whose symbol is At?

The answer is Astatine (At). However there is a lot of stuff about Astatine that people don't know. Let me walk you through...

Astatine Overview

Atomic Symbol

At (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.

Name Origin

Greek: astatos (unstable).

State at 20 °C

solid

Uses

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

Discovery

Discovered By: D.R.Corson, K.R.MacKenzie, E.Segré

Year: 1940

Location: United States

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? 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 and all the other atom symbols / 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]