Cobalt



Half Life **  Co-56 77.3 days Co-57 271.8 days Co-58 70.9 days Co-59m 9.1 hours Co-60m 5.3 years Co-60m 10.5 minutes Co-61 1.7 hours
 * Isotope

**Ions: 2+/3+ **

 Cobalt was discovered by George Brandt a swedish chemist. He discovered Cobalt in 1739 in Stockholm, Sweden. **
 * Discovered:

**Cobalt: silver-white metallic color, it is similar to Iron and Nickel **Physical Properties: Boiling Point: 2927ºC, 5301ºF, Melting Point: 1495ºC, 2723ºF, Density: 8.90g

Cobalt is used for making drill bits. It is also used to make the material on cars such as the chevy cobalt.
 * Uses For Cobalt:**
 * [[image:uses.png width="198" height="145"]]

Interesting Fact: Cobalt Oxide was used in ancient times to add a blue color to pottery. Cobalt can last through high temperatures.

Sources:**

Works Cited "Chemical Elements.com - Cobalt (Co)." //Chemical Elements.com - An Interactive Periodic Table of the Elements//. N.p., n.d. Web. 24 Nov. 2009. . "Dynamic Periodic Table." //Dynamic Periodic Table//. N.p., n.d. Web. 24 Nov. 2009. . "George Brandt." //Longwood Home Page//. N.p., n.d. Web. 24 Nov. 2009. . "drill bit - Google Images." //Google Images//. N.p., n.d. Web. 24 Nov. 2009. . "where was cobalt discovered - Google Search." //Google//. N.p., n.d. Web. 24 Nov. 2009. .

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