Atomic Number 90 (+ facts: Sources, Uses, Color and more...) 2022

All atoms have an atomic number. But what is the chemical element that has 90 as atomic number?

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

Alright now to the facts!

Thorium Overview

Atomic Number

90

Learn more about the atomic number.

Description

Heavy, gray, soft, malleable, ductile, radioactive metal.

Atomic Symbol

Th (Thorium)

Discovery

Discovered By: Jöns Berzelius

Year: 1828

Location: Sweden

State at 20 °C

solid

Sources

Found in various minerals like monazite and thorite.

Uses

Used in making strong alloys. Also in ultraviolet photoelectric cells. It is a common ingredient in high-quality lenses. Bombarded with neutrons make uranium-233, a nuclear fuel.

Atomic Mass

232,0381

Learn more about the atomic mass.

Name Origin

Named for Thor, Norse god of thunder.

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 Thorium-(90) 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).
[lock][Download excel ##download##]
[Download open .ods format ##download##][/lock]