Difference between revisions of "Promethium"

Promethium
Properties
Atomic symbol	Pm
Atomic number	61
Classification	Metallic
Atomic mass	145 amu
Other Information
Date of discovery	1945
Name of discoverer	J.A. Marinsky, L.E. Glendenin and C.D. Coryell
Name origin	From Prometheus who stole the fire of the sky and gave it to mankind.
Uses	Used in highly specialized miniature batteries.
Obtained from	All the promethium originally present when the Earth formed has disappeared due to radioactive decay. Only very small trace amounts are found in uranium ores as a product of nuclear fission.

Revision as of 18:17, November 19, 2008

Revision as of 10:17, May 9, 2008 (view source) JessicaT (talk \| contribs) (New page: {{Element \| name=Promethium \| symbol=Pm \| anumber=61 \| amass=145 amu \| state=Solid \| class=Metallic \| cstructure=Hexagonal\| color=Silvery / Metallic \| date=1945 \| discname=J.A. Marinsky, L...)		Revision as of 18:17, November 19, 2008 (view source) WesleyS (talk \| contribs) m (cat) Newer edit →
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	[[Category:Elements]]		[[Category:Elements]]
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Promethium

Properties
Atomic symbol	Pm
Atomic number	61
Classification	Metallic
Atomic mass	145 amu
Other Information
Date of discovery	1945
Name of discoverer	J.A. Marinsky, L.E. Glendenin and C.D. Coryell
Name origin	From Prometheus who stole the fire of the sky and gave it to mankind.
Uses	Used in highly specialized miniature batteries.
Obtained from	All the promethium originally present when the Earth formed has disappeared due to radioactive decay. Only very small trace amounts are found in uranium ores as a product of nuclear fission.