|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
selenium
selenium Grey metalloid element of group VI of the periodic table, discovered (1817) by J. J. Berzelius. Its chief source is a by-product in the electrolytic refining of copper. It resembles sulphur. It is extensively used in photoelectric cells, solar cells, xerography and red pigments. Properties: at.no. 34; r.a.m. 78.96; r.d. 4.79; m.p. 217°C (422.6°F); b.p. 684.9°C (1265°F); most common isotope Se80 (49.82%).
|
|
|
Cite this article
"selenium." World Encyclopedia. 2005. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. "selenium." World Encyclopedia. 2005. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O142-selenium.html "selenium." World Encyclopedia. 2005. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-selenium.html |
|
Periodic Table of the Elements: Selenium
Periodic Table of the Elements: Selenium
|
|
|||||||||||||||||||||
|
Cite this article
"Periodic Table of the Elements: Selenium." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. "Periodic Table of the Elements: Selenium." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1E1-Se-ptblTABLE.html "Periodic Table of the Elements: Selenium." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Se-ptblTABLE.html |
||||||||||||||||||||||
Search over 100 encyclopedias and dictionaries:
HighBeam™ Research, Inc. © Copyright 2012. All rights reserved.
The Encyclopedia.com advertising network includes:
