2022: Atomic Radius of Cobalt (Co) [& State, Uses, Discovery ...

All atoms have a (theoretical) atomic radius, even Cobalt. Ok, so what is the atomic radius of an atom of Co?

Note: Learn more about the atomic radius here.

In the case of Cobalt the atomic radius is 1.67 Å. There are cool facts about Cobalt that most don't know about. Let me show you...

Cobalt Data

Cobalt Atomic Radius

1.67 Å

State at 20 °C

Solid

Uses

Used in many hard alloys; for magnets, ceramics and special glasses. Remains hard up to 982°C. Radioactive cobalt-60 is used in cancer therapy.

Atomic Mass

58,9332

Learn more about the atomic mass.

Sources

Occurs in compounds with arsenic, oxygen and sulfur as in cobaltine (CoAsS) and linneite (Co3S4). Pure cobalt is obtained as a byproduct of refining nickel, copper and iron.

Description

Hard, ductile, lustrous bluish-gray metal. Exists in the earth's curst in cocentrations of about 25 ppm. It has remarkable magnetic properties.

Atomic Symbol

Co

Name Origin

German: kobold (goblin).

Atomic Number

27

Learn more about the atomic number.

Discovery

Discovered By: George Brandt
Year: 1739
Location: Sweden

Want to learn more details and data about Cobalt (Co)? Check my Elements Comprehensive List.

Video

Are you having trouble understanding the basics of atomic elements? This video will walk you through:

• What is an element
• What is a substance
• What Elements look like
• How a small number of atoms can be joined and form completely different substances

Colored Periodic Table

Need an editable periodic table to edit? Maybe add your school logo, work team or anything else to make your paper look cool?

Along with basic atom / element information (like Cobalt atomic radius 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]

Citation

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To make your life (and citation) easier just copy & paste the information below into your assignment or essay:

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Now replace dd, mmmm and yyyy with the day, month, and year you browsed this page. Also replace URL for the actual url of this page (The < and > stay, ok?). This citation format is based on MLA.