On this page I'll provide comprehensive data for Selenium. I hope you profit from it.
Selenium Overview
Symbol
Se (Selenium)Description
Soft metalloid similar to sulfur. Ranges from gray metallic to red glassy appearance.
Name Origin
Greek: selênê (moon).
Discovery
Discovered By: Jöns Berzelius
Year: 1818
Location: Sweden
Sources
Obtained from lead, copper and nickel refining. Conducts electricity when struck by light.
Uses
Light causes it to conduct electricity more easily. It is used in photoelectric cells, TV cameras, xerography machines and as a semiconductor in solar batteries and rectifiers. Also colors glass red.
State at 20 °C
Solid
Atomic Number
34Learn more about the atomic number.
Atomic Mass
78,96
Learn more about the atomic mass.
Colored Periodic Table
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Along with basic element information of Selenium and all the other elements, 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]
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