Atomic Number 69 (+ facts: Sources, Uses, Color and more...) 2022

All atoms have an atomic number. But what is the chemical element that has 69 as atomic number?

The answer is Thulium and there is so much cool stuff about Thulium that people don't know that I would keep reading if I were you.

Alright now to the facts!

Thulium Overview

Atomic Number

69

Learn more about the atomic number.

Description

Soft, malleable, ductile, silvery metal

Atomic Symbol

Tm (Thulium)

Discovery

Discovered By: Per Theodor Cleve

Year: 1879

Location: Sweden

State at 20 °C

Solid

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.

Uses

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

Atomic Mass

168,93421

Learn more about the atomic mass.

Name Origin

From Thule ancient name of Scandinavia.

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-(69) atomic number 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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[Download open .ods format ##download##][/lock]