Chemical Elements.com - Protactinium (Pa)
Home About This Site Comments Help Links Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | ...
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Visual Elements - Protactinium
Discovered : by O. Hahn and L. Meitner in Berlin, Germany, and independently by K. Fajans in Karlsruhe, Germany, and Frederick Soddy and co-workers in Glasgow, UK, in 1917 Origin : The name is derived from the Greek protos aktino, meaning first ray. Description : A radioactive metal, small amounts of which are found naturally in uranium ores. It is also extracted in gramme amounts from spent ...
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