Atomic Symbol 69 (& 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 69?

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

Thulium Overview

Atomic Symbol

Tm (Thulium)

Description

Soft, malleable, ductile, silvery metal

Sources

Found with other rare earths in the minerals gadolinite, euxenite, xenotime, and monazite. Monazite is often 50% rare earth by weight and 0.007% thulium.

State at 20 °C

Solid

Uses

Radioactive thulium is used to power portable x-ray machines, eliminating the need for electrical equipment.

Name Origin

From Thule ancient name of Scandinavia.

Discovery

Discovered By: Per Theodor Cleve

Year: 1879

Location: Sweden

Atomic Number

69

Learn more about the atomic number.

Atomic Mass

168,93421

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 Thulium-Tm 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]