Atomic Mass La (& Secrets: Uses, Sources and more...) 2022

As anyone would guess, every atom has mass, an important physical property, even Lanthanum. But how do we know how much does a La atom weight?

First of all, if we know the atom symbol, let's say La, we can open any periodic table and search for Lanthanum.

In the case of Lanthanum the answer is 138,9055. However there is a lot of funny facts about Lanthanum that most people don't know. Shall we have a look?

Lanthanum Overview

La Atomic Mass

138,9055

Learn more about the atomic mass.

Atomic Symbol

La (Lanthanum)

Name Origin

Greek: lanthanein (to be hidden).

Description

Soft, silvery-white, malleable, ductile metal.

Atomic Number

57

Learn more about the atomic number.

State at 20 °C

Solid

Discovery

Discovered By: Carl Mosander

Year: 1839

Location: Sweden

Uses

It is used in the electodes of high-intensity, carbon-arc lights. Also used in the production of high-grade europium metal. Because it gives glass refractive properties, it is used in expensive camera lenses.

Sources

Found with rare earths in monazite and bastnasite. Monazite sand typicall contains 25% lanthanum.

Want to learn more details and data about Lanthanum (La)? 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 Lanthanum-La atomic mass 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]