Atomic Symbol 81 (& Cool facts: Uses, Sources, Color and more...) 2022

Every atom has a symbol and some are easy to figure out. Especially if you already know its name.

But what do you do when you only know its atomic number? Like... what is the atom symbol whose atomic number is 81?

The answer is Thallium (Tl). However there are a lot of interesting facts about Thallium that people don't know. Let me show you:

Thallium Overview

Atomic Symbol

Tl (Thallium)

Description

Soft gray metal that looks like lead.

Sources

Found in iron pyrites. Also in crookesite, hutchinsonite and lorandite. Most is recovered from the byproducts of lead and zinc refining.

State at 20 °C

solid

Uses

Its compounds are used in rat and ant poisons. Also for detecting infrared radiation.

Name Origin

Greek: thallos (green twig), for a bright green line in its spectrum.

Discovery

Discovered By: Sir William Crookes

Year: 1861

Location: England

Atomic Number

81

Learn more about the atomic number.

Atomic Mass

204,3833

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 Thallium-Tl 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]